UNIQ
NAME SYNOPSIS DESCRIPTION AUTHOR REPORTING BUGS COPYRIGHT SEE ALSO
uniq - remove duplicate lines from a sorted file
uniq [''OPTION''?... [''OUTPUT''?]
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
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.
Written by Richard Stallman and David
Report bugs to
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.
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.
3 pages link to uniq(1):