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Posts Made By:
DeepakS
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Homework & Coursework Questions
09-23-2009
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Smqueue
2,841
Posted By
DeepakS
The -z...
The -z (http://tldp.org/LDP/abs/html/refcards.html) is testing to see if the string is empty.
If the test (square braces) fails then the assignment part after && doesn't execute.
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