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The problem with that is that if I try to do this (which is what will end up happening):

#!/bin/sh

a1="Joe Bob Jane"
a2="Joe Bob Jack Jane Greg"
a3=${a2#$a1}
echo $a3


The output I get...

Is there anyway that I can compare two Arrays to see if any new strings have been added in them? eg:

Array 1: Joe Bob Jane
Array 2: Joe Bob Jane Greg

It would then output a new array with the...

That worked perfectly! Thanks!

I get an error:


If it helps any, here's the usage:

I'm trying to get the ps command to just output the name of the processes currently running, but I can't figure out a way to do it. I'm using OSX, so some UNIX features are crippled. Is there any way...