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Double bracket giving error

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# 1  
Old 05-03-2011
Double bracket giving error
here is a small script I wrote:

Code:
#! /bin/bash
 
if [[ $# == 0 ]]
then
echo "argument is null"
fi

It is giving error:
Code:
test.sh: [[: not found

any idea, why is it so?
Last edited by pludi; 05-03-2011 at 06:02 AM..
# 2  
Old 05-03-2011
It's most likely your shell is outdated.
# 3  
Old 05-03-2011
My bash version is:

$ bash --version
GNU bash, version 3.00.16(1)-release (sparc-sun-solaris2.10)
Copyright (C) 2004 Free Software Foundation, Inc.
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