uniq(1) [minix man page]

UNIQ(1) 						      General Commands Manual							   UNIQ(1)

NAME

       uniq - delete consecutive identical lines in a file

SYNOPSIS

       uniq [-cdu] [-n] [+n] [input [output]]

OPTIONS

       -c     Give count of identical lines in the input

       -d     Only duplicate lines are written to output

       -u     Only unique lines are written to output

       -n     Skip the first n columns when matching

       +n     Skip the first n fields when matching

EXAMPLES

       uniq +2 file	   # Ignore first 2 fields when comparing

       uniq -d inf outf    # Write duplicate lines to outf

DESCRIPTION

       Uniq  examines  a file for consecutive lines that are identical.  All but duplicate entries are deleted, and the file is written to output.
       The +n option skips the first n fields, where a field is defined as a run of characters separated by white space.  The -n option skips  the
       first n spaces.	Fields are skipped first.

SEE ALSO

       sort(1).

																	   UNIQ(1)

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).

       Mandatory arguments to long options are mandatory for short options too.

       -c, --count
	      prefix lines by the number of occurrences

       -d, --repeated
	      only print duplicate lines

       -D, --all-repeated[=delimit-method] print all duplicate lines
	      delimit-method={none(default),prepend,separate} Delimiting is done with blank 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

       --help display this help and exit

       --version
	      output version information and exit

       A field is a run of whitespace, then non-whitespace characters.	Fields are skipped before chars.

AUTHOR

       Written by Richard Stallman and David MacKenzie.

REPORTING BUGS

       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2002 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 PARTICU-
       LAR 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 (coreutils) 4.5.3						   February 2003							   UNIQ(1)