code: 9ferno

ref: 58055b9e3a8c6df1cd128a3d4ed3667eab94e472
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)