code: 9ferno

ref: 6966e8d72ae8fb72ebf98909acbd464aff84a3cc
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)