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From: Adam Spiers <adam@spiers.net>
To: zsh-workers@sunsite.dk
Subject: Re: Switching shell safely and efficiently
Date: Fri, 7 Sep 2001 23:45:17 +0100	[thread overview]
Message-ID: <20010907234517.A6901@thelonious.new.ox.ac.uk> (raw)
In-Reply-To: <1010907190526.ZM17902@candle.brasslantern.com>; from schaefer@brasslantern.com on Fri, Sep 07, 2001 at 07:05:26PM +0000

Bart Schaefer (schaefer@brasslantern.com) wrote:
>     run_shell=`$myshell -c "echo exec $myshell" || echo :`
>     eval $run_shell '"$@"'

Cute trick!  Nice enough to put in the FAQ, I think.  Although much
more stylish than my attempt, it's not quite as efficient through
having to fork the shell before running it properly.  To this end, a
slight improvement might be skipping start-up files:

  run_shell=`$myshell -f -c "echo exec $myshell" || echo :`
  eval $run_shell '"$@"'

I haven't done any benchmarking of the different approaches though.


  reply	other threads:[~2001-09-07 22:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-07 18:35 Adam Spiers
2001-09-07 19:05 ` Bart Schaefer
2001-09-07 22:45   ` Adam Spiers [this message]
2001-09-07 22:28     ` Bart Schaefer
2001-09-08  2:18       ` Adam Spiers

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