1.\" Copyright (c) 1980, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)colrm.1 8.1 (Berkeley) 6/6/93 33.\" $FreeBSD$ 34.\" 35.Dd August 4, 2004 36.Dt COLRM 1 37.Os 38.Sh NAME 39.Nm colrm 40.Nd remove columns from a file 41.Sh SYNOPSIS 42.Nm 43.Op Ar start Op Ar stop 44.Sh DESCRIPTION 45The 46.Nm 47utility removes selected columns from the lines of a file. 48A column is defined as a single character in a line. 49Input is read from the standard input. 50Output is written to the standard output. 51.Pp 52If only the 53.Ar start 54column is specified, columns numbered less than the 55.Ar start 56column will be written. 57If both 58.Ar start 59and 60.Ar stop 61columns are specified, columns numbered less than the 62.Ar start 63column 64or greater than the 65.Ar stop 66column will be written. 67Column numbering starts with one, not zero. 68.Pp 69Tab characters increment the column count to the next multiple of eight. 70Backspace characters decrement the column count by one. 71.Sh ENVIRONMENT 72The 73.Ev LANG , LC_ALL 74and 75.Ev LC_CTYPE 76environment variables affect the execution of 77.Nm 78as described in 79.Xr environ 7 . 80.Sh EXIT STATUS 81.Ex -std 82.Sh SEE ALSO 83.Xr awk 1 , 84.Xr column 1 , 85.Xr cut 1 , 86.Xr paste 1 87.Sh HISTORY 88The 89.Nm 90command appeared in 91.Bx 3.0 . 92