ref: bd6c2aad586814b091ce5aca9d41cf2c51adb37b
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)