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Forum: UNIX for Dummies Questions & Answers 10-27-2010

grep single quotes or double quotes

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There is no difference at all in the given...

There is no difference at all in the given example.

More importantly, you may want to read something about UNIX Shell Quotes (http://www.grymoire.com/Unix/Quote.html)

Forum: UNIX for Dummies Questions & Answers 10-26-2010

awk simple question

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sum+=$7 means sum = sum + $7

sum+=$7 means sum = sum + $7

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