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UNIQ
Section: FSF (1)Updated: July 2001
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NAME
uniq - remove duplicate lines from a sorted fileSYNOPSIS
uniq [OPTION]... [INPUT [OUTPUT]]DESCRIPTION
Discard all but one of successive identical lines from INPUT (or standard input), writing to OUTPUT (or standard output).
- -c, --count
- prefix lines by the number of occurrences
- -d, --repeated
- only print duplicate lines
- -D, --all-repeated
- print all duplicate lines
- -f, --skip-fields=N
- avoid comparing the first N fields
- -i, --ignore-case
- ignore differences in case when comparing
- -s, --skip-chars=N
- avoid comparing the first N characters
- -t, --separator=SEP
- use SEParator to delimit fields
- -u, --unique
- only print unique lines
- -w, --check-chars=N
- compare no more than N characters in lines
- -W, --check-fields=N
- compare no more than N fields in lines
- -N
- same as -f N
- +N
- same as -s N
- --help
- display this help and exit
- --version
- output version information and exit
A field is a run of whitespace, then non-whitespace characters, unless a SEParator is given. Fields are skipped before chars.
AUTHOR
Written by Richard Stallman and David MacKenzie.REPORTING BUGS
Report bugs to <bug-textutils@gnu.org>.COPYRIGHT
Copyright © 1999 Free Software Foundation, Inc.This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
SEE ALSO
The full documentation for uniq is maintained as a Texinfo manual. If the info and uniq programs are properly installed at your site, the command- info uniq
should give you access to the complete manual.
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