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12-03-2008
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test condition
Hi there, I tried to search for this almost everywhere, but didnt get any proper information on it. What is the difference between Code:
[[ ]] [ ] Some of the code works when I have only single condition i.e. Code:
[[ -z $arg1 ]] && $dothis1 || $dothis2 But if i try to include another testcondition to the above code like below Code:
[[ -z $arg1 -a -n $arg2 ]] && $dothis1 || $dothis2 This works when I replace with single square brackets Code:
[ -z $arg1 -a -n $arg2 ] && $dothis1 || $dothis2 Why is that so? |
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