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backward-kill-shell-word widget
- X-seq: zsh-workers 37531
- From: Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx>
- To: zsh-workers@xxxxxxx
- Subject: backward-kill-shell-word widget
- Date: Sun, Jan 01 2016 00:37:58 +0000
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- List-id: Zsh Workers List <zsh-workers.zsh.org>
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[ I mentioned this to IRC some weeks ago and Valodim told me about
select-word-style so I didn't post this to the list; but now, I'll post it
anyway in case there's a subtle difference that I'm overlooking.
Perhaps the interactive_comments test is such a difference? ]
This widget is like ^W but for "shell words" rather than
whitespace-separated words, so
% echo foo "bar baz" <CURSOR>^W
becomes
% echo foo <CURSOR>
If you use zsh 5.1.1 or older, comment the 'zle -f' line. (Without that
line, using this widget followed by another kill followed by a yank
won't include the text this widget killed in the yank.)
---
backward-kill-shell-word() {
local MATCH; integer MBEGIN MEND
integer start end_of_word end_of_cut=$CURSOR
# Walk backwards to an end-of-word
[[ $LBUFFER =~ '[[:space:]]*$' ]] || : # sets $MATCH
(( end_of_word = CURSOR - $#MATCH ))
# Find the start of the shell word ending at $BUFFER[end_of_word]
() {
local l="$PREBUFFER$LBUFFER[1,end_of_word]"
local -a a
if [[ -o interactive_comments ]]; then
a=( ${(zZ+c+)l} )
else
a=( ${(z)l} )
fi
(( start = end_of_word - ${#a[-1]} + 1 ))
}
# Standard kill-widget behaviour
zle -f 'kill'
if [[ $LASTWIDGET == *'kill'* ]]; then
CUTBUFFER=${BUFFER[start,end_of_cut]}$CUTBUFFER
else
zle copy-region-as-kill -- "${BUFFER[start,end_of_cut]}"
fi
# Delete the last shell word from $LBUFFER
LBUFFER[start,end_of_cut]=""
}
zle -N backward-kill-shell-word
bindkey '^T' backward-kill-shell-word
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