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zsh/Functions/Misc/zed
2001-04-02 13:04:04 +00:00

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#
# zed
#
# No other shell could do this.
# Edit small files with the command line editor.
# Use ^X^W to save, ^C to abort.
# Option -f: edit shell functions. (Also if called as fned.)
#
# Completion: use
# compctl -f -x 'w[1,-f]' -F -- zed
#
local var fun cleanup
# We do not want timeout while we are editing a file
integer TMOUT=0
[[ $1 = -f || $0 = fned ]] && fun=1
[[ $1 = -(|-|f) ]] && shift
[[ -z "$1" ]] && echo 'Usage: "zed filename" or "zed -f function"' && return 1
local curcontext=zed:::
zstyle -m ":completion:zed:*" insert-tab '*' ||
zstyle ":completion:zed:*" insert-tab yes
# catch interrupts
cleanup="$(bindkey -L "^M"; bindkey -L -M emacs "^X^W"; bindkey -aL "ZZ"
echo "trap - INT EXIT"; trap)"
trap "return 130" INT
trap "$cleanup" EXIT
# don't mangle !'s
setopt localoptions nobanghist
bindkey "^M" self-insert-unmeta
# Depending on your stty's, you may be able to use ^J as accept-line, else:
bindkey -M emacs "^X^W" accept-line
bindkey -a "ZZ" accept-line
if ((fun)) then
var="$(functions $1)"
# If function is undefined but autoloadable, load it
if [[ $var = *\#\ undefined* ]] then
local dir
for dir in $fpath; do
if [[ -f $dir/$1 ]] then
var="$1() {
$(<$dir/$1)
}"
break
fi
done
elif [[ -z $var ]] then
var="$1() {
}"
fi
vared var && eval "$cleanup ;" function "$var"
else
[[ -f $1 ]] && var="$(<$1)"
while vared var
do
(print -r -- "$var" >| $1) && break
echo -n -e '\a'
done
fi
return 0
# End of zed