The UNIX and Linux Forums  

Go Back   The UNIX and Linux Forums > Top Forums > UNIX for Dummies Questions & Answers
Reload this Page How to redirect duplicate lines from a file????
.
google unix.com

Forums Register Forum RulesLinksAlbums FAQ Members List Calendar Search Today's Posts Mark Forums Read



Thread: How to redirect duplicate lines from a file????
View Single Post in the UNIX and Linux Forums - Click on the Thread or Permalink to View Entire Thread -->
  #3 (permalink)  
Old 04-25-2007
marwan marwan is offline
Registered User
  
 

Join Date: Mar 2007
Posts: 20
I think it can work by this way also:
sort file1 |uniq -d > file2
this will extract the duplicated lines and redirects them to file2

you can also specify the number of duplication of every line at the begining of the line:
sort file1 |uniq -c > file2