[ale] shell scripting

[hirsch at zapmedia.com]

Ken Nagorski writes:
 > Sure, 
 > 	grep prints it if you find it. I wanted the ones grep didn't
 > find. That is why I was using the echo, if you don't find a match let me
 > know. 

Check out -v option for grep.  The -v inverts the sense of a match,
i.e., it will print out all the non-matching lines.

--Michael
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