1.\" $OpenBSD: colrm.1,v 1.6 2003/06/03 02:56:07 millert Exp $ 2.\" $NetBSD: colrm.1,v 1.3 1995/03/26 09:04:01 glass Exp $ 3.\" 4.\" Copyright (c) 1980, 1990, 1993 5.\" The Regents of the University of California. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. Neither the name of the University nor the names of its contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" @(#)colrm.1 8.1 (Berkeley) 6/6/93 32.\" 33.Dd June 6, 1993 34.Dt COLRM 1 35.Os 36.Sh NAME 37.Nm colrm 38.Nd remove columns from a file 39.Sh SYNOPSIS 40.Nm colrm 41.Op Ar start Op Ar stop 42.Sh DESCRIPTION 43.Nm 44removes 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