mirror of
git://git.code.sf.net/p/zsh/code
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894 lines
18 KiB
Plaintext
894 lines
18 KiB
Plaintext
# Tests for named references
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%prep
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# Required in order to declare an unset hash for substitution test
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setopt TYPESET_TO_UNSET
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: ${ZTST_continue::=1}
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%test
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typeset -n ptr
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typeset -n
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0:minimal declaration
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>ptr
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typeset -n ptr=
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typeset -n
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0:nameref placeholder
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>ptr=''
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typeset -n ptr
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ptr=var
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typeset -n
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0:assign nameref placeholder
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>ptr=var
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unset ptr
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typeset -n ptr
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typeset -n ptr=var
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typeset -n
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0:assign placeholder with new typeset
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>ptr=var
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typeset -n ptr1
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typeset -n ptr2=ptr1
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typeset -n
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0:chain ending in placeholder
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>ptr1
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>ptr2=ptr1
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typeset ptr=var
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typeset -n ptr
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typeset -n
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0:convert scalar to nameref
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>ptr=var
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typeset -n ptr=var
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typeset +n ptr
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typeset -p ptr
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0:remove nameref attribute
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>typeset ptr=var
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typeset -n ptr=gvar
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() {
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local ptr
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typeset -p ptr
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}
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typeset -p ptr
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0:Local non-reference hides outside reference
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>typeset ptr
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>typeset -n ptr=gvar
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typeset -n ptr
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typeset -t ptr
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typeset -p ptr
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0:change type of a placeholder
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F:Other type changes are fatal errors, should this also be?
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>typeset -n ptr=''
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*?*ptr: can't change type of a named reference
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typeset -n ptr=var
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typeset -t ptr
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typeset -p ptr var
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0:change type of referenced var
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>typeset -n ptr=var
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>typeset -t var
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typeset var
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unset var
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typeset -n ptr=var
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typeset -t ptr
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typeset -p ptr var
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0:change type of unset referenced var
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F:regression - at one time this incorrectly applied the tag to "ptr"
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F:note this causes "var" to become set
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>typeset -n ptr=var
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>typeset -t var
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typeset -n ptr=var[2]
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typeset -t ptr
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1:change type of referenced array element
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*?*var\[2\]: can't change type via subscript reference
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typeset -n ptr[1]=var
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1:illegal nameref name
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*?*reference variable cannot be an array
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typeset var=value
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typeset -n ptr=var
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print $ptr
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0:basic nameref expansion, no braces
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>value
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typeset var=value
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typeset -n ptr=var
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print ${ptr}
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0:basic nameref expansion, braces
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>value
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typeset var=(val1 val2)
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typeset -n ptr=var
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print $ptr
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0:nameref array expansion
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>val1 val2
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typeset -A var=(val1 val2)
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typeset -n ptr=var
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print ${(kv)ptr}
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0:nameref hash expansion
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>val1 val2
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typeset -n ptr=var
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typeset var=value
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typeset -p ptr var
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ptr=newvalue
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typeset -p ptr var
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0:assign existing scalar via nameref
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>typeset -n ptr=var
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>typeset var=value
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>typeset -n ptr=var
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>typeset var=newvalue
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typeset -n ptr=var
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typeset var=value
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unset ptr
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typeset -p var
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0:unset via nameref
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typeset -n ptr=var
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typeset var=value
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unset -n ptr
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typeset -p var ptr
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0:unset of the nameref itself
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F:If earlier tests change, might get "no such variable" here
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>typeset var=value
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typeset -n ptr=var
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typeset var=value
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typeset -p ptr var
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typeset ptr=newvalue
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typeset -p ptr var
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0:typeset existing scalar via nameref
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>typeset -n ptr=var
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>typeset var=value
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>typeset -n ptr=var
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>typeset var=newvalue
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typeset -n ptr=var
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ptr=value
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typeset -p var ptr
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0:assign new scalar via nameref
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>typeset -g var=value
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>typeset -n ptr=var
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unset var
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typeset -n ptr=var
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typeset var=(val1 val2)
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typeset -p ptr var
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ptr=(new1 new2)
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typeset -p ptr var
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0:assign existing array via nameref
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>typeset -n ptr=var
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>typeset -a var=( val1 val2 )
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>typeset -n ptr=var
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>typeset -a var=( new1 new2 )
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typeset -p ptr ptr1 ptr2 var
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1:check state of paramtab ONE
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F:unexpected side-effects of previous tests
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*?*no such variable: ptr
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*?*no such variable: ptr1
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*?*no such variable: ptr2
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*?*no such variable: var
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typeset -n ptr=var
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ptr=(val1 val2)
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typeset -p var ptr
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0:assign new array via nameref
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>typeset -g -a var=( val1 val2 )
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>typeset -n ptr=var
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unset var
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typeset -n ptr2=var
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typeset -n ptr1=ptr2
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typeset var=value
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typeset -p ptr1 ptr2 var
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print $ptr1
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0:indirect nameref expansion
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>typeset -n ptr1=ptr2
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>typeset -n ptr2=var
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>typeset var=value
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>value
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typeset -p ptr1 ptr2 var
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1:check state of paramtab TWO
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F:unexpected side-effects of previous tests
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*?*no such variable: ptr1
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*?*no such variable: ptr2
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*?*no such variable: var
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typeset var
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typeset -n ptr2=var
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typeset -n ptr1=ptr2
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typeset ptr1=newvalue
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typeset -p ptr1 ptr2 var
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0:typeset existing parameter indirectly
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>typeset -n ptr1=ptr2
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>typeset -n ptr2=var
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>typeset var=newvalue
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typeset var=value
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typeset -n ptr2=var
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typeset -n ptr1=ptr2
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unset ptr1
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typeset -p ptr1 ptr2 var
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0:unset parameter indirectly
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>typeset -n ptr1=ptr2
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>typeset -n ptr2=var
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typeset -n ptr2=var
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typeset -n ptr1=ptr2
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typeset ptr1=newvalue
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typeset -p ptr1 ptr2 var
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0:typeset new parameter indirectly
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>typeset -n ptr1=ptr2
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>typeset -n ptr2=var
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>typeset var=newvalue
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unset var
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typeset -n ptr2=var
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typeset -n ptr1=ptr2
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typeset var=value
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typeset -p ptr1 ptr2 var
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ptr1=newvalue
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typeset -p ptr1 ptr2 var
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0:assign new parameter indirectly
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>typeset -n ptr1=ptr2
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>typeset -n ptr2=var
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>typeset var=value
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>typeset -n ptr1=ptr2
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>typeset -n ptr2=var
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>typeset var=newvalue
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typeset -p ptr1 ptr2 var
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1:check state of paramtab THREE
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F:unexpected side-effects of previous tests
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*?*no such variable: ptr1
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*?*no such variable: ptr2
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*?*no such variable: var
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typeset -a var
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typeset -n ptr2=var
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typeset -n ptr1=ptr2
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typeset ptr1=(val1 val2)
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typeset -p ptr1 ptr2 var
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0:typeset existing array indirectly
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>typeset -n ptr1=ptr2
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>typeset -n ptr2=var
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>typeset -a var=( val1 val2 )
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typeset -n ptr2=var
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typeset -n ptr1=ptr2
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typeset ptr1=(val1 val2)
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typeset -p ptr1 ptr2 var
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0:typeset new array indirectly
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>typeset -n ptr1=ptr2
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>typeset -n ptr2=var
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>typeset -a var=( val1 val2 )
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typeset -p ptr1 ptr2
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1:check state of paramtab FOUR
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F:unexpected side-effects of previous tests
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*?*no such variable: ptr1
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*?*no such variable: ptr2
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unset var
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typeset -n ptr2=var
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typeset -n ptr1=ptr2
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ptr1=(val1 val2)
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typeset -p ptr1 ptr2 var
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0:assign new array indirectly
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>typeset -n ptr1=ptr2
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>typeset -n ptr2=var
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>typeset -g -a var=( val1 val2 )
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typeset -n ptr1=ptr2
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typeset -n ptr2=ptr1
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1:direct nameref loop not allowed
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*?*invalid self reference
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unset var
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typeset -gn ptr1=var
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typeset -p ptr1
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0:global reference to unset var
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>typeset -g -n ptr1=var
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unset -n ptr1
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typeset -gn ptr1
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typeset -p ptr1
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ptr1=ptr1
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1:global direct reference
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>typeset -g -n ptr1
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*?*invalid self reference
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typeset -n ptr1=ptr2
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typeset -n ptr2=ptr3
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typeset -n ptr3=ptr1
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1:indirect nameref loop not allowed
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*?*invalid self reference
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typeset -n ptr1 ptr2
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ptr1=ptr2
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ptr2=ptr1
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1:looping assignment not allowed
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*?*invalid self reference
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unset -n ptr2
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typeset -n ptr2='path[2]'
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print -r -- $ptr2
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0q:nameref to array element, no braces
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>${path[2]}
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unset -n ptr2
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typeset -n ptr2='path[2]'
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print -r -- ${ptr2}
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0q:nameref to array element, with braces
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>${path[2]}
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unset -n ptr1
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typeset -A hash=(x MISS y HIT)
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typeset -n ptr1='hash[y]'
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print -r -- $ptr1
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0:nameref to hash element, no braces
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>HIT
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unset -n ptr1
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typeset -A hash=(x MISS y HIT)
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typeset -n ptr1='hash[y]'
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print -r -- ${ptr1}
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0:nameref to hash element, with braces
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>HIT
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unset -n ptr2
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typeset -a ary=(1 2)
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typeset -n ptr2='ary[2]'
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ptr2=TWO
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typeset -p ary
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0:assign array element by nameref
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>typeset -a ary=( 1 TWO )
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unset -n ptr2
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typeset -n ptr2='ary[2]'
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ptr2=TWO
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typeset -p ary
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0f:create array element by nameref
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F:ksh93 does not implement this either
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>typeset -a ary=( '' TWO )
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unset -n ptr1
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typeset -A hash=(x MISS y MISS)
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typeset -n ptr1='hash[y]'
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ptr1=HIT
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typeset -p hash
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0:assign to hash element by nameref
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>typeset -A hash=( [x]=MISS [y]=HIT )
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unset -n ptr1
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typeset -A hash
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typeset -n ptr1='hash[y]'
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ptr1=HIT
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typeset -p hash
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0f:create hash by element nameref
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F:ksh93 does not implement this either
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>typeset -A hash=( [y]=HIT )
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unset -n ptr1
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typeset -n ptr1='not[2]good'
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1:invalid nameref
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*?*invalid variable name: not\[2\]good
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unset -n ptr1
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unset hash
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typeset -A hash
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typeset -n ptr1='hash[y]'
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print ${ptr1::=HIT}
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typeset -p ptr1 hash
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0f:create hash by element substitution
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>HIT
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>typeset -n ptr1='hash[y]'
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>typeset -A hash=( [y]=HIT )
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unset -n ptr
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unset gval
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typeset -n ptr=gval
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gval=global
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() { local gval=local; print $ptr; typeset -p ptr gval }
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0:up-reference part 1
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>global
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>typeset -g -n ptr=gval
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>typeset gval=local
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typeset -p ptr ptr1 ptr2 val
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1:check state of paramtab FIVE
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F:unexpected side-effects of previous tests
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*?*no such variable: ptr
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*?*no such variable: ptr1
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*?*no such variable: ptr2
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*?*no such variable: val
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unset gval
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typeset -n ptr1=gval
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typeset gval
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() { typeset gval=local; ptr1=global }
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typeset -p ptr1 gval
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0:up-reference assignment part 1
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F:All tests run inside a function, so "typeset gval" creates a local;
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F:if that were omitted, ptr1= assignment would create a true global
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F:and the output below would change to "typeset -g gval=global"
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>typeset -n ptr1=gval
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>typeset gval=global
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typeset -p ptr ptr1 ptr2 val gval
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1:check state of paramtab SIX
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F:unexpected side-effects of previous tests
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*?*no such variable: ptr
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*?*no such variable: ptr1
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*?*no such variable: ptr2
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*?*no such variable: val
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*?*no such variable: gval
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typeset gval=global
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() {
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typeset -n ptr=gval
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local gval=local
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print $ptr
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}
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typeset -p ptr gval
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1:up-reference part 2
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>global
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*?*no such variable: ptr
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>typeset gval=global
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typeset -n ptr=gval
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() {
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local lval=local
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typeset -n ptr=lval
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ptr=LOCAL
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typeset -p lval gval ptr
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}
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typeset -p ptr
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0:localized namerefs hide global namerefs
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*?*no such variable: gval
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>typeset lval=LOCAL
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>typeset -n ptr=lval
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>typeset -n ptr=gval
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typeset -A var=(myself outside)
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() {
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typeset -n myself=var[myself]
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local -h var
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print -r -- $myself
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typeset -p var
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}
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0:up-reference part 3, hidden global
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>outside
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>typeset -h var
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() {
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typeset notdef
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unset notdef
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() {
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typeset -n ptr=notdef
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ptr=(DEFINED)
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}
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typeset -p notdef
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}
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0:up-reference part 4, unset local and type change
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>typeset -a notdef=( DEFINED )
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() {
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typeset -n ptr1=ptr2
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typeset -n ptr2
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typeset -p ptr1 ptr2
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typeset val=LOCAL
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() {
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ptr1=val
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typeset -n
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printf "%s=%s\n" ptr1 "$ptr1" ptr2 "$ptr2"
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}
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typeset -p ptr1 ptr2
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}
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typeset -p ptr2
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1:up-reference part 5, stacked namerefs, end not in scope
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>typeset -n ptr1=ptr2
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>typeset -n ptr2
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>ptr1=ptr2
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>ptr2=val
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>ptr1=LOCAL
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>ptr2=LOCAL
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>typeset -n ptr1=ptr2
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>typeset -n ptr2=val
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*?*no such variable: ptr2
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typeset ptr2
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() {
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typeset -n ptr1=ptr2
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typeset -n ptr2
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typeset -p ptr1 ptr2
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typeset val=LOCAL
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() {
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ptr1=val
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typeset -n
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printf "%s=%s\n" ptr1 "$ptr1" ptr2 "$ptr2"
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}
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typeset -p ptr1 ptr2
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}
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typeset -p ptr2
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0:up-reference part 6, stacked namerefs, end is in scope
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F:Same test, should part 5 output look like this?
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>typeset -n ptr1=ptr2
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>typeset -n ptr2
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>ptr1=ptr2
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>ptr2
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>ptr1=val
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>ptr2=
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>typeset -n ptr1=ptr2
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>typeset -n ptr2
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>typeset ptr2=val
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() {
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() {
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local var
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typeset -nu ptr1=var
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ptr1=outer && print -u2 assignment expected to fail
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typeset -n ptr2=var
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ptr2=inner
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typeset -n
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printf "%s=%s\n" ptr1 "$ptr1" ptr2 "$ptr2"
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}
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typeset -p var
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}
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typeset -p var
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1:up-reference part 7, upscope namerefs, end not in scope
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>ptr1=var
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>ptr2=var
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>ptr1=
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>ptr2=inner
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*?*typeset*: no such variable: var
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*?*typeset*: no such variable: var
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typeset var
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() {
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() {
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local var
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typeset -nu ptr1=var
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ptr1=outer || print -u2 assignment expected to succeed
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typeset -n ptr2=var
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ptr2=inner
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typeset -n
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printf "%s=%s\n" ptr1 "$ptr1" ptr2 "$ptr2"
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}
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typeset -p var
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}
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|
typeset -p var
|
|
0:up-reference part 8, upscope namerefs, end in scope
|
|
>ptr1=var
|
|
>ptr2=var
|
|
>ptr1=outer
|
|
>ptr2=inner
|
|
>typeset -g var=outer
|
|
>typeset var=outer
|
|
|
|
if zmodload zsh/parameter; then
|
|
() {
|
|
zmodload -u zsh/parameter
|
|
typeset -n myself=parameters[myself]
|
|
local -h parameters
|
|
print -r -- $myself
|
|
typeset -p parameters
|
|
}
|
|
else ZTST_skip='Cannot zmodload zsh/parameter, skipping autoload test'
|
|
fi
|
|
0:up-reference part 9, autoloading with hidden special
|
|
>nameref-local-nameref-local
|
|
>typeset -h parameters
|
|
|
|
if [[ $options[typesettounset] != on ]]; then
|
|
ZTST_skip='Ignoring zmodload bug that resets TYPESET_TO_UNSET'
|
|
setopt typesettounset
|
|
fi
|
|
0:options reloaded
|
|
F:Checking for a bug in zmodload that affects later tests
|
|
|
|
typeset ptr2=var2
|
|
typeset var2=GLOBAL
|
|
() {
|
|
typeset -n ptr1=ptr2
|
|
typeset ptr2=var1
|
|
typeset var1=VAR1
|
|
typeset var2=VAR2
|
|
print -r -- ${(P)ptr1}
|
|
}
|
|
0:Order of evaluation with ${(P)...}
|
|
>VAR2
|
|
|
|
ary=(one two three four)
|
|
typeset -n ptr=ary
|
|
print -r ${(j.:.)ptr//o/0}
|
|
0:expansion flags and string replacement
|
|
>0ne:tw0:three:f0ur
|
|
|
|
var=value
|
|
typeset -n ptr=var
|
|
myscalar=ptr
|
|
echo ${(P)myscalar}
|
|
0:named references with (P), as ${(P)name_of_nameref}
|
|
>value
|
|
|
|
var=value
|
|
myscalar=var
|
|
typeset -n ptr=myscalar
|
|
echo ${(P)ptr}
|
|
0:named references with (P), as ${(P)nameref}
|
|
>value
|
|
|
|
ary=( 'bry[1]' 'bry[2]' )
|
|
bry=( lorem ipsum )
|
|
typeset -n ptr='ary[2]'
|
|
print -r -- ${ptr}
|
|
print -r -- ${(P)ptr}
|
|
0:named references with (P), array element to array element
|
|
>bry[2]
|
|
>ipsum
|
|
|
|
unset -n ref
|
|
unset var
|
|
typeset -n ref=var
|
|
typeset var=GLOBAL
|
|
() {
|
|
typeset -n ref=$1
|
|
print -r $ref
|
|
ref=RESET
|
|
typeset -p ref var
|
|
} ref
|
|
typeset -p ref var
|
|
0:local reference points to same-name global reference, part 1
|
|
>GLOBAL
|
|
>typeset -n ref=ref
|
|
>typeset -g var=RESET
|
|
>typeset -n ref=var
|
|
>typeset var=RESET
|
|
|
|
unset -n ref
|
|
unset var
|
|
typeset -n ref=var
|
|
() {
|
|
typeset -n ref=$1
|
|
print -r $ref
|
|
ref=RESET
|
|
typeset -p ref var
|
|
} ref
|
|
typeset -p ref var
|
|
0:local reference points to same-name global reference, part 2
|
|
>
|
|
>typeset -n ref=ref
|
|
>typeset -g var=RESET
|
|
>typeset -n ref=var
|
|
>typeset -g var=RESET
|
|
|
|
unset -n ref
|
|
unset one
|
|
typeset -n ref
|
|
typeset one=ONE
|
|
for ref in one ref two; do print -r $ref; done
|
|
1:for-loop variable is a reference, part 1
|
|
>ONE
|
|
*?*ref: invalid self reference
|
|
|
|
unset -n ref
|
|
unset one
|
|
typeset -n ref
|
|
() {
|
|
typeset one=ONE
|
|
for ref in one ref two; do print -r ${(t)ref}; done
|
|
}
|
|
1:for-loop variable is a reference, part 2
|
|
>scalar-local
|
|
*?*ref: invalid self reference
|
|
|
|
unset -n ref
|
|
unset one var
|
|
typeset -n ref=var
|
|
() {
|
|
typeset one=ONE
|
|
typeset -n ref=ref
|
|
for ref in one ref two; do
|
|
typeset -p ref
|
|
print -r $ref
|
|
done
|
|
typeset -p ref
|
|
}
|
|
typeset -p ref
|
|
0:for-loop variable is a reference, part 3
|
|
>typeset -n ref=one
|
|
>ONE
|
|
>typeset -n ref=ref
|
|
>
|
|
>typeset -n ref=two
|
|
>
|
|
>typeset -n ref=two
|
|
>typeset -n ref=var
|
|
|
|
typeset -g .K01.scalar='RW'
|
|
typeset -gA .K01.assoc=(x y)
|
|
typeset -ga .K01.array=(z)
|
|
typeset -gi .K01.integer=0
|
|
typeset -gE .K01.double=0.0
|
|
typeset -gF .K01.float=0.0
|
|
typeset -gr .K01.readonly='RO'
|
|
typeset -n gref
|
|
for gref in ARGC .K01.{scalar,assoc,array,integer,double,float,readonly}
|
|
do
|
|
{ unset gref } always { TRY_BLOCK_ERROR=0 }
|
|
done
|
|
typeset -p .K01.{scalar,assoc,array,integer,double,float,readonly}
|
|
unset .K01.{scalar,assoc,array,integer,double,float}
|
|
0:unset various types via nameref, including a readonly special
|
|
>typeset -g .K01.scalar
|
|
>typeset -g -A .K01.assoc
|
|
>typeset -g -a .K01.array
|
|
>typeset -g -i .K01.integer
|
|
>typeset -g -E .K01.double
|
|
>typeset -g -F .K01.float
|
|
>typeset -g -r .K01.readonly=RO
|
|
*?*read-only variable: ARGC
|
|
*?*read-only variable: .K01.readonly
|
|
|
|
unset -n ref
|
|
unset one
|
|
typeset -n ref
|
|
() {
|
|
setopt localoptions warn_nested_var
|
|
typeset one=ONE
|
|
for ref in one two; do print -r ${(t)ref}; done
|
|
typeset -n ref
|
|
for ref in one two; do print -r ${(t)ref}; done
|
|
}
|
|
0:for-loop variable is a reference, part 4, warnings
|
|
>scalar-local
|
|
>
|
|
>scalar-local
|
|
>
|
|
*?*reference ref*to local variable one
|
|
|
|
unset -n ref
|
|
typeset -n ref
|
|
() {
|
|
setopt localoptions warn_nested_var
|
|
typeset inner
|
|
ref=inner
|
|
}
|
|
typeset -p ref
|
|
0:Global variable is a reference, warning
|
|
>typeset -n ref=inner
|
|
*?*reference ref*to local variable inner
|
|
|
|
typeset -n ptr='ary[$(echo 2)]'
|
|
typeset -a ary=(one two three)
|
|
print $ptr
|
|
1:attempt deferred command substitution in subscript
|
|
F:runs in `setopt noexec` so $(...) returns nothing
|
|
*?*bad math expression: empty string
|
|
|
|
unset -n ref
|
|
typeset -n ref=GLOBAL
|
|
() {
|
|
typeset -gn ref=RESET
|
|
}
|
|
typeset -p ref
|
|
0:reset global reference within function
|
|
>typeset -n ref=RESET
|
|
|
|
unset -n ref
|
|
typeset -rn ref=RO
|
|
typeset -p ref
|
|
(typeset -n ref=RW)
|
|
print status: $? expected: 1
|
|
typeset +r -n ref
|
|
typeset -p ref
|
|
typeset -r +n ref
|
|
typeset -p ref
|
|
(typeset -rn ref)
|
|
print status: $? expected: 1
|
|
typeset +r -n ref=RW # Assignment occurs after type change,
|
|
typeset -p ref RO # so RO=RW here. Potentially confusing.
|
|
typeset -r -n ref=RX # No type change, so referent changes ...
|
|
typeset -p ref RO # ... and previous refererent does not.
|
|
typeset +rn ref=RW # Here ref=RW, again type changed first.
|
|
typeset -p ref
|
|
0:add and remove readonly attribute with references
|
|
>typeset -rn ref=RO
|
|
*?*: ref: read-only reference
|
|
>status: 1 expected: 1
|
|
>typeset -n ref=RO
|
|
>typeset -r ref=RO
|
|
*?*: ref: read-only variable
|
|
>status: 1 expected: 1
|
|
>typeset -n ref=RO
|
|
>typeset -g RO=RW
|
|
>typeset -rn ref=RX
|
|
>typeset -g RO=RW
|
|
>typeset ref=RW
|
|
|
|
() {
|
|
typeset -n r1 r2=
|
|
typeset -p r1 r2
|
|
print -- ${(!)r1-unset}
|
|
print -- ${+r1}
|
|
typeset -p r1
|
|
}
|
|
0:unset nameref remains unset when resolved
|
|
F:relies on global TYPESET_TO_UNSET in %prep
|
|
>typeset -n r1
|
|
>typeset -n r2=''
|
|
>unset
|
|
>0
|
|
>typeset -n r1
|
|
|
|
bar=xx
|
|
typeset -n foo=bar
|
|
() {
|
|
typeset -n foo; foo=zz
|
|
foo=zz || print -u2 foo: assignment failed
|
|
print $bar $zz
|
|
}
|
|
() { typeset -n foo; foo=zz; local zz; foo=zz; print $bar $zz }
|
|
0:regression: local nameref may not in-scope a global parameter
|
|
F:previously this could create an infinite recursion and crash
|
|
>xx
|
|
>xx zz
|
|
*?*foo: assignment failed
|
|
|
|
typeset -nm foo=bar
|
|
1:create nameref by pattern match not allowed
|
|
*?*typeset:1: invalid reference
|
|
|
|
#
|
|
# The following tests are run in interactive mode, using PS1 as an
|
|
# assignable special with side-effects. This crashed at one time.
|
|
#
|
|
|
|
# Note bypassing TYPESET_TO_UNSET here
|
|
$ZTST_testdir/../Src/zsh -fis <<<$'
|
|
typeset -n p=PS1
|
|
() {
|
|
typeset -p p
|
|
local p
|
|
typeset -p p
|
|
p=xx
|
|
typeset -p p
|
|
}
|
|
'
|
|
0:regression: assign to local that shadows global named reference
|
|
>typeset -g -n p=PS1
|
|
>typeset p=''
|
|
>typeset p=xx
|
|
*?*
|
|
|
|
# Note bypassing TYPESET_TO_UNSET here
|
|
$ZTST_testdir/../Src/zsh -fis <<<$'
|
|
() {
|
|
typeset p=PS1
|
|
typeset -n p
|
|
p=zz
|
|
}
|
|
typeset -p PS1
|
|
'
|
|
0:regression - converting a string into a named reference
|
|
>typeset PS1=zz
|
|
*?*
|
|
|
|
%clean
|