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Forum: UNIX for Beginners Questions & Answers 07-14-2018

Find duplicates in file with line numbers

2,338

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I did look at those links. I tried awk -F:...

I did look at those links.
I tried awk -F: 'x[$1]++ { print $1 " is duplicated"}' fileName

The output I get is
is duplicated

I want the duplicate value along with the line number

Forum: UNIX for Beginners Questions & Answers 07-14-2018

Find duplicates in file with line numbers

2,338

Posted By

Find duplicates in file with line numbers

Hello All,

This is a noob question. I tried searching for the answer but the answer found did not help me .

I have a file that can have duplicates.
100
200
300
400
100
150

the...

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