Re: delete a line by a string

Pardon me for sacrelige, but if you're on unix, you could just do:

cat mydata | grep -v "my strange string" > my_new_data
[download]

(note that it's not safe to output to the same file you're inputting from)

Comment on Re: delete a line by a string Download Code

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Re: Re: delete a line by a string by chromatic (Archbishop) on Apr 02, 2003 at 16:56 UTC
Yay, my first "Useless use of `cat`" award! This works just as well: `grep -v "my strange string" mydata > my_new_data`	[reply] [d/l] [select]
Re: delete a line by a string by crenz (Priest) on Apr 02, 2003 at 16:57 UTC
Pardon me for pointing out the useless use of cat. SCNR	[reply]
Re: Re: delete a line by a string by Anonymous Monk on Apr 02, 2003 at 17:52 UTC
by this command I'm getting the exact opposit result from the one I wanted I'm getting a file that contains only the lines I wanted to delete. what good does that do?	[reply]