Bug 42774 - xdg-screensaver should use grep -q option
Summary: xdg-screensaver should use grep -q option
Alias: None
Product: Portland
Classification: Unclassified
Component: xdg-utils (show other bugs)
Version: unspecified
Hardware: Other All
: medium enhancement
Assignee: Portland Bugs
QA Contact:
URL: http://bugs.debian.org/647793
Depends on:
Reported: 2011-11-10 02:23 UTC by Tanguy Ortolo
Modified: 2019-02-16 13:31 UTC (History)
0 users

See Also:
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Description Tanguy Ortolo 2011-11-10 02:23:26 UTC

In xdg-screensaver, there are several calls to grep in if control sequences conditions. In order not to get the output of grep, its standard output is redirected to /dev/null.

grep has a -q option that is precisely done for that purpose; in addition it is a bit faster since it exists on the first match since it has no need to wait to the end of its input.

I suggest that you replace all the “grep >/dev/null” by “grep -q”. In addition, the stderr redirections should be removed since they are useful: if an error occurs, it seems more useful to show it rather than hide it.

This has been the object of a bug report for Debian, which I have put in the URL field of this one. There is a patch attached; it is only a first shot which may not be suitable (it removes stderr redirections but adds a -s option which is not very useful) but I can adapt it.
Comment 1 GitLab Migration User 2019-02-16 13:31:11 UTC
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