According to Ved Prakash Sonkar on 1/24/2010 5:26 AM: > Hello GNU > I am using UBUNTU's bash cell > when I say > $ expr 2+2 > its returning > 2+2 > whats wrong
Nothing. That's how expr is designed to run, and standardized by POSIX. It only performs arithmetic if the operator appears as a separate argument, as in: $ expr 2 + 2 4 -- Don't work too hard, make some time for fun as well! Eric Blake [email protected]
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