Need Some Help with "diff"


 
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# 1  
RedHat Need Some Help with "diff"

Compare two files and remove duplicates and display the output of "FILE-A"

For instance

FILE-A

Code:
aaaa                   
hhhdh                 
hddscs                 
sdcsdcs               
csdcsd

FILE-B

Code:
hhhdh
bbdbds
aaaa
sdcsdcs
csdcsd

Output should be :

Code:
hddscs

Thanks
-V

Last edited by Scrutinizer; 11-21-2012 at 07:22 PM.. Reason: code tags
# 2  
Code:
awk 'FNR==NR{f[$0]; next;} { if(!($1 in f)) print;} ' fileB fileA
hddscs

This User Gave Thanks to Yoda For This Post:
# 3  
# 4  
try and use this
Code:
grep -vf fileb filea

 

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