Re: [gentoo-user] Bash $VAR expansion escapes the dollar instead of expanding

[Willie Wong <wwong@math.princeton.edu>]

On Tue, Mar 22, 2011 at 06:51:54AM -0700, felix@crowfix.com wrote:
> I have an env var, WWW=/home/www/felix, which I have always used with
> tab completion without problems.
> 
>     cd $WWW/ht<tab>ph<tab>20110318
> 
> would expand in steps
> 
>     cd /home/www/felix/htdocs/
>     cd /home/www/felix/htdocs/photos/
>     cd /home/www/felix/htdocs/photos/20110318
> 
> But some recent bash upgrade has scuppered this.  <tab> no longer
> expands the $WWW; instead, it escapes the $, adds a space at the end,
> and thinks itself clever.
> 
>     cd \$WWW/ht ph
> 
> which does me no good.
> 
> I'll be danged if I can figure out any google-fu to search for this,
> and 'bash help'  and 'info bash' have done me no good either.
> 
> I do not know which specific bash upgrade changed this, since I don't
> have very many of these env vars I used similarly.  The current "bash
> --version" is 4.2.8(2)-release, gentoo version is app-shells/bash-4.2_p8.

A possible culprit maybe the bash-completion package. Have you updated
that recently?

W
-- 
Willie W. Wong                                     wwong@math.princeton.edu
Data aequatione quotcunque fluentes quantitae involvente fluxiones invenire 
         et vice versa   ~~~  I. Newton