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92 lines
1.9 KiB
Plaintext
92 lines
1.9 KiB
Plaintext
# Tests for command substitution.
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%prep
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mkdir cmdsubst.tmp
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touch cmdsubst.tmp/file{1,2}.txt
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%test
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foo="two words"
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print -l `echo $foo bar`
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0:Basic `...` substitution
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>two
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>words
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>bar
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foo="two words"
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print -l $(echo $foo bar)
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0:Basic $(...) substitution
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>two
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>words
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>bar
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foo='intricate buffoonery'
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print -l "`echo $foo and licentiousness`"
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0:Quoted `...` substitution
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>intricate buffoonery and licentiousness
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foo="more words"
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print -l "$(echo $foo here)"
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0:Quoted $(...) substitution
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>more words here
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# we used never to get this one right, but I think it is now...
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print -r "`print -r \\\\\\\\`"
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0:Stripping of backslasshes in quoted `...`
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>\\
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print -r "$(print -r \\\\\\\\)"
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0:Stripping of backslashes in quoted $(...)
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>\\\\
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fnify() { print \"$*\"; }
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print `fnify \`fnify understatement\``
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0:Nested `...`
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>""understatement""
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print $(fnify $(fnify overboard))
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0:Nested $(...)
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>""overboard""
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fructify() { print \'$*\'; }
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print "`fructify \`fructify indolence\``"
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0:Nested quoted `...`
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>''indolence''
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print "$(fructify $(fructify obtuseness))"
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0:Nested quoted $(...)
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>''obtuseness''
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gesticulate() { print \!$*\!; }
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print $((gesticulate wildly); gesticulate calmly)
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0:$(( ... ) ... ) is not arithmetic
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>!wildly! !calmly!
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commencify() { print +$*+; }
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print "$((commencify output); commencify input)"
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0:quoted $(( ... ) .. ) is not arithmetic
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>+output+
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>+input+
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(
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cd cmdsubst.tmp
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print first: ${$(print \*)}
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print second: ${~$(print \*)}
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print third: ${$(print *)}
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print fourth: "${~$(print \*)}"
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print fifth: ${~"$(print \*)"}
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)
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0:mixing $(...) with parameter substitution and globbing
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>first: *
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>second: file1.txt file2.txt
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>third: file1.txt file2.txt
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>fourth: *
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>fifth: file1.txt file2.txt
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$(exit 0) $(exit 3) || print $?
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0:empty command uses exit value of last substitution
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>3
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X=$(exit 2) $(exit 0) || print $?
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0:variable assignments processed after other substitutions
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>2
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