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Grep negative matching

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# 1  
Old 08-08-2013
Grep negative matching
is it possible to reverse the output of grep -o
# 2  
Old 08-08-2013
What do you mean?
" Do not grep <pattern> " ? Which would be agrep -v ...
# 3  
Old 08-08-2013
I don't think so.

It's an easy one for sed:
Code:
sed "s/something//"

# 4  
Old 08-08-2013
what is grep -o? , maybe you're looking for grep -v
# 5  
Old 08-08-2013
-o extracts only the matched text. i.e.

Code:
$ echo extract this | grep -o this
this

# 6  
Old 08-08-2013
a file containing
Code:
https://www.amazon.com
Help.com
https://www.google.com
http///www.bbc.com

grep -o 'https://' filename....... print non matching part of output
Last edited by Scott; 08-08-2013 at 11:55 AM.. Reason: Code tags, please...
# 7  
Old 08-08-2013
Code:
$ sed "s#^https://##" file
www.amazon.com
Help.com
www.google.com
http://www.bbc.com

Or
Code:
$ sed "s#^[^/]*//##" file
www.amazon.com
Help.com
www.google.com
www.bbc.com

This User Gave Thanks to Scott For This Post:
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