Re: [Help-bash] procps output truncated due to bash setting $COLUMNS

[Bob Proulx]

Jan Engelhardt wrote:
> Pierre Gaston wrote:
> >Bash sets COLUMNS when interactive, but it does not export it so it
> >should not interfere with other tools unless it is exported in one of
> >your startup files.
> 
> Hrrrm.
> 
> 17:57 nakamura:~ > unset LINES COLUMNS
> 17:57 nakamura:~ > perl -le 'print $ENV{COLUMNS}'
> 
> 17:57 nakamura:~ > bash --noprofile --norc
> bash-4.2$ perl -le 'print $ENV{COLUMNS}'
> 80
> 
> It would seem it exports it by default.

I cannot recreate that result.

  $ echo $COLUMNS
  80
  $ printenv COLUMNS
  ...nothing...

  $ echo $BASH_VERSION
  4.2.37(1)-release

  $ echo $BASH_VERSION
  4.1.5(1)-release

Bob