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Top Forums UNIX for Advanced & Expert Users unable to filter out blank lines ^$ matches nothing Post 302162851 by venkatkk on Wednesday 30th of January 2008 10:19:27 AM
Old 01-30-2008
Question unable to filter out blank lines ^$ matches nothing

Hi
I've got a file with a lot of blank lines in it or are they?...I tried to remove them by using

grep -v ^$ <filename>

This did not remove anything....I then tried the reverse to see if ^$ indeed matches anything...so I tried

$ grep ^$ grepres.txt
$ grep ^\s*$ grepres.txt

This matched nothing...


..I am a bit of a noob at this so if anyone out there can figure out how to do this using regular expressions...I would really appreciate it...

I've attached the file here

Thanks in advance...
 

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