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Print part of string

 
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# 1  
Old 01-28-2012
Print part of string
I have a file called file.txt
It contains strings:

ALT=someone@acme.com
TO=whoever@lalalulu.com

How could find and print the actual address after the = sign for any given instance? I need the command to print one of them - for example

someone@acme.com

But have in mind that this address can change and will not necessarily be the same next time when the command is executed. So ALT= or TO= should serve as flags pointing to what I need

So basically I need to print the remaining text in a line after a matching string in a file called file.txt

Thanks!
Last edited by svetoslav_sj; 01-28-2012 at 08:07 PM..
# 2  
Old 01-28-2012
Code:
$ cat input
ALT=someone@acme.com
TO=whoever@lalalulu.com
$
$ flag="ALT"
$
$ grep "$flag" input | cut -d= -f2
someone@acme.com
$

This User Gave Thanks to balajesuri For This Post:
svetoslav_sj
# 3  
Old 01-28-2012
I found an easy on in case someone needs it
Code:
sed -n '/TO=/ s///p' script

Seems to work perfectly Smilie
Last edited by Franklin52; 01-29-2012 at 09:19 AM.. Reason: Please use code tags for data and code samples, thank you
# 4  
Old 01-28-2012
Code:
nawk -F= '/^TO/{print $2}' filename.txt

 
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