On Thu, Jul 1, 2010 at 22:46:49 +0200, gregor herrmann wrote: > On Thu, 01 Jul 2010 21:05:14 +0100, Julien Cristau wrote: > > > > + if $(/etc/init.d/mysql status >/dev/null 2>&1); then > > What is this trying to test? Redirecting the command's stdout and > > stderr to /dev/null and testing if the output is empty doesn't seem very > > useful... > > Seems to work fine: > > r...@guinan:~# /etc/init.d/mysql start > Starting MySQL database server: mysqld .. > Checking for corrupt, not cleanly closed and upgrade needing tables.. > r...@guinan:~# if $(/etc/init.d/mysql status >/dev/null 2>&1); then echo $? > "MySQL up"; else echo $? "No MySQL"; fi > 0 MySQL up > r...@guinan:~# /etc/init.d/mysql stop > Stopping MySQL database server: mysqld. > r...@guinan:~# if $(/etc/init.d/mysql status >/dev/null 2>&1); then echo $? > "MySQL up"; else echo $? "No MySQL"; fi > 3 No MySQL > r...@guinan:~# > It would be clearer without the ``$( )'', IMO...
Cheers, Julien
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