cheat-fork-echo/cheat/cheatsheets/uniq
2015-02-09 18:07:17 -05:00

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# show all lines without duplication
# `sort -u` and `uniq` is the same effect.
sort file | uniq
# show not duplicated lines
sort file | uniq -u
# show duplicated lines only
sort file | uniq -d
# count all lines
sort file | uniq -c
# count not duplicated lines
sort file | uniq -uc
# count only duplicated lines
sort file | uniq -dc