Re: Scripting question

[Alan Peery]

Leonard Miller wrote:

I have another file with blank lines - no space or tabs, just
carriage returns. 
Can I use that same line to remove those blank lines?
 

Use

cat file | grep -v  ^\$

This will keep only those lines NOT matching "^\$", a line where there 
is nothing between the logical beginning and end of the line.  If you 
want to find lines that only have the letter q on them,

cat fred | grep ^q\$

would do the trick.

Alan

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