Compare data - Match first column and compare second


 
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# 1  
Old 11-25-2015
Compare data - Match first column and compare second

Hi guys, looking for some help with a way to compare data in two files but with some conditions.

example,

File 1 consists of
Code:
site1,10.1.1.1
site2,20.2.2.2
site3,30.3.3.3

File 2 contains
Code:
site1,l0.1.1.1
site2,50.1.1.1
site3,30.3.3.3
site4,40.1.1.1

I want to be able to match the value before the comma and then compare the IP address after the comma. I want it to print the ones which are different IP's for the same site between file1 and file2. However file2 will contain more sites than listed in file1 which i dont want to include in the output.

example output would show the site2 is different between the two files (if possible print the IP's from each file which is different)

Hope this makes sense.

Thanks.

Last edited by Don Cragun; 11-25-2015 at 03:45 PM.. Reason: Add CODE tags.
# 2  
Old 11-25-2015
Please use code tags as required by forum rules!

Any attempts/ideas/thoughts from your side?

---------- Post updated at 20:34 ---------- Previous update was at 20:28 ----------

Howsoever, try
Code:
awk 'FNR==NR {T[$1]=$2; next} ($1 in T) && (T[$1] != $2) {print $0, T[$1]}' FS="," OFS="," file2 file1
site1,10.1.1.1,l0.1.1.1
site2,20.2.2.2,50.1.1.1

 
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