From: Simon Krahnke <overlord@...>
Date: 2009-05-07T15:05:04+09:00
Subject: Re: system call not working under cron

* Michael Satterwhite <michael@weblore.com> (23:10) schrieb:

> ret = system("gconftool -t str --set
> /desktop/gnome/background/picture_filename '#{new_picture}'")

Does gconftool need the DISPLAY environment variable? That probably
wouldn't be there from cron but in any terminal started from X.

If that's the case, system("DISPLAY=:1 gconftool ...") should work,
replace ":1" by whatever $DISPLAY is in your terminal.

mfg,                         simon  .... l