UNIQ(Q)                        FSF                        UNIQ(Q)



NAME
       uniq - remove duplicate lines from a sorted file

SYNOPSIS
       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 char-
       acters, 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 (C) 1999 Free Software Foundation, Inc.
       This  is  free software; see the source for copying condi-
       tions.  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.



GNU textutils 2.0           July 2001                     UNIQ(Q)