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Re: s/pattern/pattern/g on the commandline ?
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- From: Jérémie Roquet <arkanosis@xxxxxxxxx>
- To: meino.cramer@xxxxxx
- Subject: Re: s/pattern/pattern/g on the commandline ?
- Date: Sun, 26 Feb 2012 16:17:00 +0100
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> ...an additional question:
> Suppose I had entered such an ugly looooong commandline about two days
> ago. I did not remember when it was and what the context was.
> And: I have a very looong history file.
> I want to recycle that line and do the s//g-trick on it to get a shiny
> new fresh commmandline for the next action.
If the command in your long line is unusual (let's say “makecoffee”),
you could use:
> When I press ^r<pattern> I easily can find that line, it will
> displayed instantly but without its numbering. In the moment the
> commandline is displayed I loose the ability to do the s//g-trick.
> Is there a way to browse the commandlines like with ^r only to get its
> numbering to apply the s//g-trick to the choosen line ?
Hacking history-incremental-pattern-search-backward is an option, but
that wouldn't be easy.
Instead, you could use:
fc -lm <pattern>
…to list previous commands matching the pattern, with their numbers.
Also, what I do in non trivial cases, is either:
- use edit-command-line as pointed out by Phil: you just have to
ctrl+r the line you want and then edit it using a real text editor, or
- use a custom widget to run sed (or awk, or perl, or…) on the
current line : you just have to ctrl+r the line you want then to use
whatever key you've bound the widget to to run sed on it.
If you put this in your .zshrc:
function sed-line ()
read-from-minibuffer 'Sed: '
if [[ -n $REPLY ]]; then
BUFFER=`echo $BUFFER | sed $REPLY`
zle -N sed-line
bindkey "^[e" sed-line
… you can then use meta-e to run a sed command on the line currently
being edited in your shell.
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