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problem with extracting line in file

 
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# 1  
Old 09-28-2012
Power problem with extracting line in file
My file looks like this and i need to only extract those with PDT_AP21_B and output it to another file. Can anyone help? Thanks.

Code:
PDT_AP21_R,,,        11        TYS,,,,T17D1207230742TYO***T17DS,,C
PDT_AP21_L,,,9631166650001        ,,,,T17D1207230903TYOTYST17DS       ,,C
PDT_AP21_B,TYOTYST17DS,T17DC120723,N


Moderator's Comments:
Mod Comment Please use code tags next time for your code and data.
Last edited by vbe; 09-28-2012 at 05:37 AM..
# 2  
Old 09-28-2012
Code:
grep "PDT_AP21_B" infile > another_file

This User Gave Thanks to rdrtx1 For This Post:
Alyssa
# 3  
Old 09-28-2012
Moderator's Comments:
Mod Comment What followed was moved to :
https://www.unix.com/unix-dummies-que...hars-file.html
... avoiding double posting
# 4  
Old 09-28-2012
Code:
 
awk '/PDT_AP21_B/' input.txt > output.txt

 
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