# 2.11BSD#431 - /usr/man/cat1/uniq.0

    UNIQ(1)             UNIX Programmer's Manual		  UNIQ(1)

    NAME
         uniq - report repeated lines in a file

    SYNOPSIS
         uniq [ -udc [ +n ] [ -n ] ] [ input [ output ] ]

    DESCRIPTION
         Uniq reads the input file comparing adjacent lines.  In the
         normal case, the second and succeeding copies of repeated
         lines are removed; the remainder is written on the output
         file.  Note that repeated lines must be adjacent in order to
         be found; see sort(1).  If the -u flag is used, just the
         lines that are not repeated in the original file are output.
         The -d option specifies that one copy of just the repeated
         lines is to be written.  The normal mode output is the union
         of the -u and -d mode outputs.

         The -c option supersedes -u and -d and generates an output
         report in default style but with each line preceded by a
         count of the number of times it occurred.

         The n arguments specify skipping an initial portion of each
         line in the comparison:

         -n      The first n fields together with any blanks before
    	     each are ignored.	A field is defined as a string of
    	     non-space, non-tab characters separated by tabs and
    	     spaces from its neighbors.

         +n      The first n characters are ignored.  Fields are
    	     skipped before characters.

    SEE ALSO
         sort(1), comm(1)

    Printed 11/26/99	 April 29, 1985                         1

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