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Find difference between two files

 
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# 1  
Old 06-11-2010
Find difference between two files
I have two files as below

File1:
a
b
c
d
File2:
a
b

When i find the difference the output would be c&d..

How can i get my requirement...pls help...


Many thanks in advance
# 2  
Old 06-11-2010
Code:
sdiff -s File1 File2

# 3  
Old 06-11-2010
it didnt work for me

Actually the files has the follwing data

File1:
Code:
Ranger/62/CAD
Ranger/62/GBP
Ranger/62/JPY
Ranger/OPTD/GBP
Broil/ABGMM/USD

File2:
Code:
Ranger/62/CAD
Ranger/62/GBP
Ranger/62/JPY
Broil/ABGMM/USD

When i use the above command it gives me below
Code:
2,5c2,4
Ranger/62/GBP                                                   |           Ranger/62/GBP
Ranger/62/JPY                                                   |           Ranger/62/JPY
Ranger/OPTD/GBP                                                 |           Broil/ABGMM/USD
Broil/ABGMM/USD                                                 <

which is not my requirement..pls help
Last edited by Franklin52; 06-11-2010 at 06:22 PM.. Reason: Please use code tags
# 4  
Old 06-11-2010
Code:
awk 'NR==FNR{a[$0]=$0;next}!a[$0]' file2 file1

# 5  
Old 06-11-2010
Try
Code:
grep -vf File2 File1

# 6  
Old 06-11-2010
The below error encountered

szur1254pap:% awk 'NR==FNR{a[$0]=$0;next}!a[$0]' input.txt booknames.txt
a[$0]': Event not found

grep -vf also doesnt work

szur1254pap:% grep -vf input.txt booknames.txt
grep: illegal option -- f
Usage: grep -hblcnsviw pattern file . . .
# 7  
Old 06-11-2010
Quote:
Originally Posted by jagadish_gaddam
grep -vf also doesnt work
All right, then try this:
Code:
$ while read line; do
grep "$line" File2 >/dev/null || echo "$line"
done <File1

Last edited by pseudocoder; 06-11-2010 at 11:16 PM..
 
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