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Compare two files for unmatch

Comment:

I have these following code, which give me output of a match items. Can any please help me to reverse the code so that I can get UNMATCH items: #! /usr/bin/bash cut -d":" -f1 file261 | sort >file261a tr "\t" " " <file262 | cut -d" " -f2 | sort >file262a comm -12 file261a file262a Thanks

Reply:

Looks like you could try ( comm -13 file261a file262a; comm -23 file261a file262a ) | sort That'll put the stuff back in order, in case you needed it that way. If not, just get rid of the | sort. You could also just say comm -3 file261a file262a but that gives me some (probably undesirable) tabs in front of the lines from file262a. You'd probably need to sed those out.

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please help with this

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