Re: Problem with extglob patterns used in HISTIGNORE

[Greg Wooledge]

On Thu, Aug 05, 2010 at 10:09:38AM +0000, Dimitar DIMITROV wrote:
>     The extended glob pattern @(?|??|???|????)*([[:space:]]):*([[:space:]])
>     is not respected when used for the HISTIGNORE environment variable:
> 
>     export HISTIGNORE='@(?|??|???|????)*([[:space:]]):*([[:space:]])'

This issue came up in IRC.  I was able to duplicate the problem with a
much simpler case.

This works as expected:

  imadev:~$ shopt -s extglob
  imadev:~$ HISTIGNORE='a*( )'
  imadev:~$ a         <-- I typed two spaces at the end
  bash: a: command not found
  imadev:~$ history | tail -3
   1273  shopt -s extglob
   1274  HISTIGNORE='a*( )'
   1275  history | tail -3

This fails:

 imadev:~$ HISTIGNORE='a*([[:space:]])'
 imadev:~$ a          <-- again, I typed two spaces at the end
 bash: a: command not found
 imadev:~$ history | tail -3
  1276  HISTIGNORE='a*([[:space:]])'
  1277  a  
  1278  history | tail -3

Background: apparently he is in the habit of typing "curl" or "curl " a
lot, and wants them not to appear in his history.  So he was trying to
set HISTIGNORE='@(wget|curl)*([[:space:]])' and it was not working as
expected.