1.\" $NetBSD: colrm.1,v 1.8 2012/05/12 14:52:57 reed Exp $ 2.\" 3.\" Copyright (c) 1980, 1990, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. Neither the name of the University nor the names of its contributors 15.\" may be used to endorse or promote products derived from this software 16.\" without specific prior written permission. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28.\" SUCH DAMAGE. 29.\" 30.\" @(#)colrm.1 8.1 (Berkeley) 6/6/93 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 42.Nm 43removes 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 SEE ALSO 68.Xr awk 1 , 69.Xr column 1 , 70.Xr cut 1 , 71.Xr paste 1 72.Sh HISTORY 73The 74.Nm 75command appeared in 76.Bx 1 . 77It was completely rewritten for 78.Bx 4.4 . 79