/usr.bin/colrm/colrm.1

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28.\"     @(#)colrm.1	8.1 (Berkeley) 6/6/93
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31.Dd August 4, 2004
32.Dt COLRM 1
33.Os
34.Sh NAME
35.Nm colrm
36.Nd remove columns from a file
37.Sh SYNOPSIS
38.Nm
39.Op Ar start Op Ar stop
40.Sh DESCRIPTION
41The
42.Nm
43utility removes selected columns from the lines of a file.
44A column is defined as a single character in a line.
45Input is read from the standard input.
46Output is written to the standard output.
47.Pp
48If only the
49.Ar start
50column is specified, columns numbered less than the
51.Ar start
52column will be written.
53If both
54.Ar start
55and
56.Ar stop
57columns are specified, columns numbered less than the
58.Ar start
59column
60or greater than the
61.Ar stop
62column will be written.
63Column numbering starts with one, not zero.
64.Pp
65Tab characters increment the column count to the next multiple of eight.
66Backspace characters decrement the column count by one.
67.Sh ENVIRONMENT
68The
69.Ev LANG , LC_ALL
70and
71.Ev LC_CTYPE
72environment variables affect the execution of
73.Nm
74as described in
75.Xr environ 7 .
76.Sh EXIT STATUS
77.Ex -std
78.Sh SEE ALSO
79.Xr awk 1 ,
80.Xr column 1 ,
81.Xr cut 1 ,
82.Xr paste 1
83.Sh HISTORY
84The
85.Nm
86command appeared in
87.Bx 3.0 .