Find and remove some line


 
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# 1  
Old 08-03-2013
Find and remove some line

hello im working on shell script to search conf file.
if it find special pattern change it. like:

#send_value=0

change it to

send_value=1
(remove # and replace 0 with 1)


how can i find and replace character on file?

Last edited by Don Cragun; 08-04-2013 at 01:49 AM.. Reason: Close thread for homework posted in wrong forum.
# 2  
Old 08-04-2013
Quote:
Originally Posted by nimafire
hello im working on shell script to search conf file.
if it find special pattern change it. like:

#send_value=0

change it to

send_value=1
(remove # and replace 0 with 1)


how can i find and replace character on file?
That's what sed does best.
Code:
sed 's/#send_value=0/send_value=1/' foo > bar && mv bar foo

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