Re: window resizing not updating COLUMNS and LINES

[Samuel Thibault <samuel dot thibault at ens-lyon dot org>]

mwoehlke, le Wed 31 May 2006 17:19:15 -0500, a écrit :
> Kenneth Nellis wrote:
> >mwoehlke wrote:
> >>Kenneth Nellis wrote:
> >>>I'm not seeing the LINES and COLUMNS environment variables getting 
> >>>updated
> >>>correctly after resizing my terminal window. This occurs whether I'm 
> >>>using
> >>>rxvt or xterm. Furthermore, "echo $COLUMNS" and "printenv COLUMNS" don't
> >>>agree. (I didn't see relevant articles in the archives.)
> >>>
> >>>This occurs regardless of how "shopt -s checkwinsize" is set.
> >>
> >>FWIW, on *my* Cygwin, LINES and COLUMNS aren't even set... go figure.
> >>:-)
> >
> >Same here...I do my own export to get things started. --Ken
> 
> Wait, wait, step back... this in itself sounds like a problem.

export COLUMNS

is needed for

printenv COLUMNS

to work, since in the printenv case you need the variable to be
transferred to the child printenv process.

Samuel

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