NAME

uniq − report repeated lines in a file

SYNOPSIS

uniq [ -ud ] [ file ]

DESCRIPTION

Uniq copies the input file, or the standard input, to the standard output, comparing adjacent lines. In the normal case, the second and succeeding copies of repeated lines are removed. Repeated lines must be adjacent in order to be found.

-u Print unique lines. 

-d Print (one copy of) duplicated lines. 

SOURCE

/appl/cmd/uniq.b

SEE ALSO

comm(1), sort(1)