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Text manipulation help request

 
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# 1  
Old 10-27-2013
Text manipulation help request
Hello Unix.com

I want to know how can I extract from a large email list only the users.

Code:
1@a.com
2@b.com
3@c.com

I want to extract only 1, 2, 3.

Thanks in advance.

Galford D. Weller
Last edited by Scrutinizer; 10-27-2013 at 09:31 PM..
# 2  
Old 10-27-2013
Try:
Code:
awk -F@ '{print $1}' file

Code:
sed 's/@.*//' file

Code:
cut -d@ -f1 file

Code:
grep -Eo '^[^@]+' file

This User Gave Thanks to Scrutinizer For This Post:
galford
# 3  
Old 10-27-2013
Thank you again.
 
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