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.\" 34.Dd June 6, 1993 35.Dt COLRM 1 36.Os BSD 3 37.Sh NAME 38.Nm colrm 39.Nd remove columns from a file 40.Sh SYNOPSIS 41.Nm colrm 42.Op Ar start Op Ar stop 43.Sh DESCRIPTION 44.Nm Colrm 45removes selected columns from the lines of a file. 46A column is defined as a single character in a line. 47Input is read from the standard input. 48Output is written to the standard output. 49.Pp 50If only the 51.Ar start 52column is specified, columns numbered less than the 53.Ar start 54column will be written. 55If both 56.Ar start 57and 58.Ar stop 59columns are specified, columns numbered less than the 60.Ar start 61column 62or greater than the 63.Ar stop 64column will be written. 65Column numbering starts with one, not zero. 66.Pp 67Tab characters increment the column count to the next multiple of eight. 68Backspace characters decrement the column count by one. 69.Sh SEE ALSO 70.Xr awk 1 , 71.Xr column 1 , 72.Xr cut 1 , 73.Xr paste 1 74.Sh HISTORY 75The 76.Nm colrm 77command appeared in 78.Bx 3.0 . 79