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Remove content from file

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# 8  
Old 08-31-2006
UUOC-->Useless Use of Cat
Quote:
Originally Posted by jambesh
what i my approach is

today=`date '+%m-%d-Y'`
cat file_name | grep -v "$today" >file_name
# 9  
Old 08-31-2006
what if the file would be bigger than 2048 bytes? I can't use grep then, right?
# 10  
Old 08-31-2006
I have tried jambesh's suggested method, but it seems like I can't do that because when I do the original file will become empty. Why? I have to stick with the original file, because it seems like the file there is some sort of pointer linked to that file, my program will continue to write to that file so if I delete it then i would have to restart the server or something. Please help!
# 11  
Old 08-31-2006
Motor !

You are right the cat was in deed not needed there !
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