code: 9ferno

ref: 566c0d9f7779de4fefb4a28117df43a003eb4a9d
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)