xref: /dragonfly/usr.bin/colrm/colrm.1 (revision 19b217af)
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28.\"     @(#)colrm.1	8.1 (Berkeley) 6/6/93
29.\" $FreeBSD: src/usr.bin/colrm/colrm.1,v 1.3.2.4 2002/06/20 23:45:32 charnier Exp $
30.\" $DragonFly: src/usr.bin/colrm/colrm.1,v 1.2 2003/06/17 04:29:25 dillon Exp $
31.\"
32.Dd June 6, 1993
33.Dt COLRM 1
34.Os
35.Sh NAME
36.Nm colrm
37.Nd remove columns from a file
38.Sh SYNOPSIS
39.Nm
40.Op Ar start Op Ar stop
41.Sh DESCRIPTION
42The
43.Nm
44utility removes selected columns from the lines of a file.
45A column is defined as a single character in a line.
46Input is read from the standard input.
47Output is written to the standard output.
48.Pp
49If only the
50.Ar start
51column is specified, columns numbered less than the
52.Ar start
53column will be written.
54If both
55.Ar start
56and
57.Ar stop
58columns are specified, columns numbered less than the
59.Ar start
60column
61or greater than the
62.Ar stop
63column will be written.
64Column numbering starts with one, not zero.
65.Pp
66Tab characters increment the column count to the next multiple of eight.
67Backspace characters decrement the column count by one.
68.Sh SEE ALSO
69.Xr awk 1 ,
70.Xr column 1 ,
71.Xr cut 1 ,
72.Xr paste 1
73.Sh HISTORY
74The
75.Nm
76command appeared in
77.Bx 3.0 .
78