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Extract list of IP addresses from a text file.

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Top Forums Shell Programming and Scripting Extract list of IP addresses from a text file.
# 8  
Old 03-01-2011
Code:
xargs -n1 <infile | sed '/[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*/!d'

... or ... less secure but shorter to write for lazy fingers :
Code:
xargs -n1 <infile | sed '/.*\..*\..*\..*/!d'

Last edited by ctsgnb; 03-01-2011 at 12:42 PM..
# 9  
Old 03-02-2011
Quote:
Originally Posted by ctsgnb
Code:
xargs -n1 <infile | sed '/[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*/!d'

... or ... less secure but shorter to write for lazy fingers :
Code:
xargs -n1 <infile | sed '/.*\..*\..*\..*/!d'

This is why copy and paste was inventedSmilie
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