code: purgatorio

ref: 43de7b8419fa3582af6df803473ef1bde2ce5c23
dir: /man/1/uniq/

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.TH UNIQ 1
.SH NAME
uniq \- report repeated lines in a file
.SH SYNOPSIS
.B uniq
[
.B -ud
]
[
.I file
]
.SH DESCRIPTION
.I Uniq
copies the input
.IR 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.
.TP
.B -u
Print unique lines.
.TP
.B -d
Print (one copy of) duplicated lines.
.SH SOURCE
.B /appl/cmd/uniq.b
.SH "SEE ALSO"
.IR comm (1),
.IR sort (1)