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Thanks for your explanation. That makes sense. I have not used printf before, seems like it come in handy.

Cheers, for all your help.

Perfect thank you.

I'm not sure how, but it worked.

Many thanks.

Hi,

I'm trying to make a bash script that if a null value is returned then to output the value 0.

I would like a script to search the 'top' tree and return the CPU value of a process, however...