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Date: Sun, 04 Mar 2012 06:36:00 +0400
From: sergio <mailbox@sergio.spb.ru>
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Subject: [[ and [
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Hello.

It's dumb question, but I can't find this in man.

What it the difference between [[ ]] and [ ]?
if [[ ]]; then ... fi
and
if [ ]; than ... fi

OK, the first is an evaluating of the conditional expression, and what
is the second?

-- 
sergio.