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Re: Tilde expansion during command search

From: Dan Douglas
Subject: Re: Tilde expansion during command search
Date: Wed, 23 Jul 2014 08:51:19 -0500
User-agent: KMail/4.13.3 (Linux/3.16.0-rc5; KDE/4.13.3; x86_64; ; )

On Wednesday, July 23, 2014 09:28:02 AM you wrote:
> On 7/23/14, 8:22 AM, Dan Douglas wrote:
> > Hi, from this discussion:
> > 
> > https://github.com/koalaman/shellcheck/issues/195#issuecomment-49678200
> > 
> > I can't find any reference that says substituting a literal tilde in PATH 
> > should occur during command search.
> Bash has always done this, even back to the pre-version 1 days, and I don't
> see any reason to change it now.

The only concerns I can think of are inconsistency with programs that use 
execvp(), or possibly double-expansion in the event of a user name or any path 
containing ~.

You're probably right in that it's not super critical if it hasn't caused 
problems so far.

Dan Douglas

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