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Re: Possible eval builtin speedup?


From: Andreas Schwab
Subject: Re: Possible eval builtin speedup?
Date: Fri, 07 Mar 2008 11:43:52 +0100
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux)

"Nicolas Bonifas" <address@hidden> writes:

> Bash starts slowly on my 600 Mhz computer (.62 seconds). I wanted to
> understand why, and here is what I found:
>
> $ time eval `dircolors`

This has nothing to do with eval, the command is underquoted.  You are
measuring the time it takes to apply filename expansion on the result of
dircolors, which is significant.  For example, note the time difference
between echo $LS_COLORS and echo "$LS_COLORS".

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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