How to find duplicates contents in a files by comparing other files?


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# 1  
How to find duplicates contents in a files by comparing other files?

Hi Guys ,
we have one directory ...in that directory all files will be set on each day..
files must have header ,contents ,footer..

i wants to compare the header,contents,footer ..if its same means display an error message as 'files contents same'
# 2  
Perhaps try md5sum, e.g...
Code:
md5sum -t files* | awk 'a[$1]{printf "%s and %s are the same\n",a[$1],$2;next}{a[$1]=$2}'

This User Gave Thanks to Ygor For This Post:
# 3  
This will give you the identical files, but no error msg:

Code:
md5sum *|sort|uniq -w32 --all-repeated=separate|cut -f3 -d" "

This User Gave Thanks to RudiC For This Post:
# 4  
md5sum is not installed is there any other ways......

---------- Post updated at 06:01 AM ---------- Previous update was at 06:00 AM ----------

md5sum is not installed is there any other ways..

---------- Post updated at 06:01 AM ---------- Previous update was at 06:01 AM ----------

md5sum is not installed is there any other way
# 5  
Try sum, cksum, shasum, sha1sum - any check sum creator will do. Try
Code:
apropos sum

# 6  
[Thanks Rudic ..
but its not working if there any other solutions...
# 7  
What system are you on? And what do you get for this: ls /usr/bin/*sum
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