uniq

 

---

 UNIQ(1)                        FSF                        UNIQ(1)
 
 
 
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
 
        -u, --unique
               only print unique lines
 
        -w, --check-chars=N
               compare no more than N characters in lines
 
        -N     same as -f N
 
        +N     same as -s N (obsolescent; will be withdrawn)
 
        --help display this help and exit
 
        --version
               output version information and exit
 
        A  field is a run of whitespace, then non-whitespace char­
        acters.  Fields are skipped before chars.
 
AUTHOR
        Written by Richard Stallman and David MacKenzie.
 
 REPORTING BUGS
        Report bugs to <bug-textutils@gnu.org>.
 
 COPYRIGHT
        Copyright © 2001 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.
 
 
 
 uniq (textutils) 2.0.14     March 2001                    UNIQ(1)

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