explanation for the syntax

chandhar · #1 (**permalink**) 04-10-2007

Hi
I am new to shell programming, can anyone explain me the following syntax...
it could be helpful if it was brief...

if [ $(ps -ef | grep -e "$0 $*" | grep -c -v -E "(grep|$$)") -gt 0 ]

Klashxx · #2 (**permalink**) 04-10-2007

It checks if the script ($0 $*) generates a child process.

Regards.

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