Re: Tilde expansion during command search

[Mike Frysinger]

On Wed 23 Jul 2014 08:51:19 Dan Douglas wrote:
> 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 ~.

how so ?  execvp doesn't do tilde expansion.  only the shell does, and it does 
it once at assignment.
-mike

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