uniq \*- report repeated lines in a file
[ \fB+\fRn ] [ \fB\*-\fRn ]
file comparing adjacent lines.
In the normal case, the second and succeeding copies
removed; the remainder is written on the output file.
Note that repeated lines must be adjacent
just the lines that are not repeated
in the original file are output.
one copy of just the repeated lines is to
The normal mode output is the union of the
an output report in the style of
but with each line preceded by a count of the
number of times it occurred.
arguments specify skipping an initial portion of each line
\fB\*-\fIn\fR The first \fIn\fR fields
together with any blanks before each are ignored.
A field is defined as a string of non-space, non-tab characters
separated by tabs and spaces from its neighbors.
\fB+\fIn\fR The first \fIn\fR characters are ignored.
Fields are skipped before characters.