ref: 248c637d25154f762a7d675662c405a169594ca0
dir: /man/1/uniq/
.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)