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Re: multiple background jobs of the same program
- X-seq: zsh-users 1018
- From: "Bart Schaefer" <schaefer@xxxxxxxxxxxxxxxx>
- To: "Adam R. Paul" <adamp@xxxxxxx>, zsh <zsh-users@xxxxxxxxxxxxxxx>
- Subject: Re: multiple background jobs of the same program
- Date: Sun, 14 Sep 1997 12:10:42 -0700
- In-reply-to: <19970914102839.45957@xxxxxxx>
- References: <9709140326.AA21133@xxxxxxxxxxxxxxxxx> 	<19970914102839.45957@xxxxxxx>
On Sep 14, 10:28am, Adam R. Paul wrote:
} Subject: Re: multiple background jobs of the same program
}
} setopt interactive_comments
} 
} listjobs() {
} jobs > /tmp/._zshjobcomp.$$ 2>&1
} set -A reply
} OIFS="$IFS"
} IFS='
} '
} reply=( $(sed -e '{
} s/.\(....\).............\(.*\)/\1 # \2/g
} s/\]//g
} s/  */ /g
} }' /tmp/._zshjobcomp.$$) )
} IFS="$OIFS"
} }
} 
} compctl -P % -K listjobs fg
} 
} The only problem is that zsh is escaping the spaces & #'s that result
Change it to
	compctl -Q -P % -K listjobs fg
} Also, I don't really want 
} interactive_comments set all the time
Replace the `#' with `;:'.  This works best if you have menu completion
so that the `;' isn't interpreted as a command separator until after you
have a chance to cycle through all the possibilities.
} Any improvements?
Either remove the temp file or use >| so `setopt clobber' isn't needed.
You don't need `set -A reply'.
Don't change IFS, use "${(@f)...}" to interpret each line as a word.
Have listjobs insert the leading % instead of using -P, and use -U to
cause the line so far to be replaced by the completion.   Then when there
are no possible completions (no jobs), nothing gets inserted.  (Your
original inserts "% " when there are no jobs.)
Do the completion for `bg' and `kill', too.
} I suspect that the sed bit could be replaced by some neato
} zsh internal parameter mangling stuff
Since you're doing several substitutions and already reading from a file,
I don't think that's worth it.
Finished product:
listjobs() {
  jobs >| /tmp/._zshjobcomp.$$ 2>&1
  reply=( "${(@f)$(sed -e '{
    s/.\(....\).............\(.*\)/%\1 ;: \2/g
    s/\]//g
    s/  */ /g
    }' /tmp/._zshjobcomp.$$)}" )
}
compctl -U -Q -K listjobs fg bg kill
-- 
Bart Schaefer                                 Brass Lantern Enterprises
http://www.well.com/user/barts              http://www.brasslantern.com
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