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- # zed(): Peter Stephenson <pws@s-a.amtp.liv.ac.uk>
- # 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 nb fun
-
- [[ $1 = -f || $0 = fned ]] && fun=1
- [[ $1 = -(|-|f) ]] && shift
-
- [[ -z "$1" ]] && echo 'Usage: "zed filename" or "zed -f function"' && return 1
-
- # catch interrupts
- TRAPINT() {
- bindkey "^M" accept-line
- [[ $nb = 1 ]] || unsetopt nobanghist
- trap - INT
- (($1 > 0)) && return $[128+$1]
- }
-
- # don't mangle !'s
- [[ -o nobanghist ]] && nb=1
- setopt nobanghist
-
- bindkey "^M" self-insert-unmeta
- # Depending on your stty's, you may be able to use ^J as accept-line, else:
- bindkey "^X^W" accept-line
-
- if [[ $fun = 1 ]]; then
- var="$(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="$1() {
- }"
- fi
- vared var
- # remember there\'s a memory leak in eval...
- eval function "$var"
- else
- [[ -f $1 ]] && var="$(<$1)"
- vared var
- (( $? == 0 )) && print -R "$var" >! $1
- fi
-
- bindkey "^X^W" undefined-key
-
- # Restore setup
- TRAPINT 0
- return 0
-
- # End of zed
-