UNIQ(1)????User Commands???????? 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 stan-
?????? dard 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 ? 2004 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 coreutils uniq

?????? should give you access to the complete manual.