tldr-pages/tldr
1
1
Fork 0
mirror of https://github.com/tldr-pages/tldr.git synced 2024-09-24 18:30:25 +03:00
Code Issues Packages Projects Releases Wiki Activity
66651b37a4
tldr/pages/common/uniq.md
Alfred Bez 8336898ea9 sort uniq first (#954) 
'uniq' does not detect repeated lines unless they are adjacent, so we need to sort them
2016-07-15 13:18:37 +02:00

535 B
Raw Blame History

uniq

Output the unique lines from the given input or file. Since it does not detect repeated lines unless they are adjacent, we need to sort them first.

  • Display each line once:

sort {{file}} | uniq

  • Display only unique lines:

sort {{file}} | uniq -u

  • Display only duplicate lines:

sort {{file}} | uniq -d

  • Display number of occurences of each line along with that line:

sort {{file}} | uniq -c

  • Display number of occurences of each line, sorted by the most frequent:

sort {{file}} | uniq -c | sort -nr