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.\" 4. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)colrm.1 8.1 (Berkeley) 6/6/93 29.\" $FreeBSD$ 30.\" 31.Dd June 6, 2015 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 86utility first appeared in 87.Bx 1 . 88.Sh AUTHORS 89.An Jeff Schriebman 90wrote the original version of 91.Nm 92in November 1974. 93