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How to replace a string containing @ in a file using sed ?

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Top Forums Shell Programming and Scripting How to replace a string containing @ in a file using sed ?
# 1  
Old 01-25-2012
Tools How to replace a string containing @ in a file using sed ?
I have a list of names and email addresses.
Sample File -

Code:
username=poga--poga@yahoo.com
new-york,US
512834
username=poga123--poga123@hotmail.com
new-jersey,US
0894753

Requirement is to replace the email ids as dummy_username@xyz.com using sed only.
Output File -
Code:
username=poga--dummy_poga@xyz.com
new-york,US
512834
username=poga123--dummy_poga123@xyz.com
new-jersey,US
0894753


Please help. I am using sed but it seems that the "@" is creating the problem
Thanking in advance,
Poga


Moderator's Comments:
Mod Comment Use code tags, see PM.
Last edited by zaxxon; 01-25-2012 at 03:04 PM.. Reason: code tags
# 2  
Old 01-25-2012
Code:
 sed 's/\([^-@]*@\)/dummy_\1/'

seems to work for me
# 3  
Old 01-25-2012
Why must it be sed? And what have you tried so far?
# 4  
Old 01-25-2012
Thanks everybody. resolved it. I had forgotten to escape the "@" and "."
Code:
sed "s/$EMAIL/dummy_$username\@xyz\.com/g" filename.txt

# 5  
Old 01-25-2012
The @ didn't need escaping but the dots did. Smilie
These 2 Users Gave Thanks to Corona688 For This Post:
methyl poga
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