Return to uniq.1 CVS log

Up to [Research Unix] / researchv10dc / man / adm / man1

Annotation of researchv10dc/man/adm/man1/uniq.1, revision 1.1.1.1

1.1       root        1: .TH UNIQ 1
                      2: .CT 1 files
                      3: .SH NAME
                      4: uniq \- report repeated lines in a file
                      5: .SH SYNOPSIS
                      6: .B uniq
                      7: [
                      8: .B -udc
                      9: [
                     10: .BI +- num
                     11: ]
                     12: ]
                     13: [
                     14: .I file
                     15: ]
                     16: .SH DESCRIPTION
                     17: .I Uniq
                     18: copies the input
                     19: .I file,
                     20: or the standard input, to the
                     21: standard output comparing adjacent lines.
                     22: In the normal case, the second and succeeding copies
                     23: of repeated lines are
                     24: removed.
                     25: Repeated lines must be adjacent
                     26: in order to be found.
                     27: .TP
                     28: .B -u
                     29: Print unique lines.
                     30: .TP
                     31: .B -d
                     32: Print (one copy of) duplicated lines.
                     33: .TP
                     34: .B -c
                     35: Prefix a repetition count and a tab to each output line.
                     36: Implies
                     37: .B -u
                     38: and
                     39: .BR -d .
                     40: .TP
                     41: .BI - num
                     42: The first
                     43: .IR num
                     44: fields
                     45: together with any blanks before each are ignored.
                     46: A field is defined as a string of non-space, non-tab characters
                     47: separated by tabs and spaces from its neighbors.
                     48: .TP
                     49: .BI + num
                     50: The first
                     51: .IR num
                     52: characters are ignored.
                     53: Fields are skipped before characters.
                     54: .SH EXAMPLES
                     55: .TP
                     56: .B
                     57: cut -d: -f3 /etc/passwd | sort | uniq -d
                     58: Print duplicated userids from the password file,
                     59: .IR passwd (5).
                     60: .I Cut
                     61: picks out the userid (the third colon-delimited field) and
                     62: .I sort
                     63: brings repetitions together.
                     64: .SH "SEE ALSO"
                     65: .IR sort (1), 
                     66: .IR comm (1)
                     67: .SH BUGS
                     68: Field-selection and comparison should be compatible with 
                     69: .IR sort (1).

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.