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On Wed, 2010-04-14 at 14:15 +0200, Martin Møller Skarbiniks Pedersen wrote: > Hejsa, > På solaris og AIX bruger jeg flg. lille kode-stump: > > #!/bin/bash > > NUM_OF_ME=$(ps -ef | grep num_of_me.sh |wc -l ) > echo $NUM_OF_ME > > if [[ $NUM_OF_ME -gt 1 ]] ; then echo already running ; exit ; fi > > [...] > > > Men under linux er NUM_OF_ME lig 3, selvom der ikke kører andre kopier > af scriptet. > Hvad sker der lige og hvad kan det bedst løses, så det virker ens på > alle unix-platforme ? Det har formentlig ikke så meget at gøre med linux kontra ikke-linux, men mere med at du også tæller grep processen med. Jeg plejer altid at tilføje en "| grep -v grep" efter den første grep, så passer pengene. Det kan sikkert også gøres mere sofistikeret. Erling
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