The grep. 

- my $procs = qx(ps aux | grep [p]erl | wc -l);
+ my $procs = qx(ps aux | grep [p]erl | grep -v grep | wc -l);

[download]

update: Scratch that. The [p] avoids the grep to be included.

perl -le'print map{pack c,($-++?1:13)+ord}split//,ESEL'

In reply to Re: Where does the 6th process come from? by shmem
in thread Where does the 6th process come from? [SOLVED] by karlgoethebier

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