19b50d902SRodney W. Grimes.\" Copyright (c) 1980, 1990, 1993 29b50d902SRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 39b50d902SRodney W. Grimes.\" 49b50d902SRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 59b50d902SRodney W. Grimes.\" modification, are permitted provided that the following conditions 69b50d902SRodney W. Grimes.\" are met: 79b50d902SRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 89b50d902SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 99b50d902SRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 109b50d902SRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 119b50d902SRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 129b50d902SRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software 139b50d902SRodney W. Grimes.\" must display the following acknowledgement: 149b50d902SRodney W. Grimes.\" This product includes software developed by the University of 159b50d902SRodney W. Grimes.\" California, Berkeley and its contributors. 169b50d902SRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors 179b50d902SRodney W. Grimes.\" may be used to endorse or promote products derived from this software 189b50d902SRodney W. Grimes.\" without specific prior written permission. 199b50d902SRodney W. Grimes.\" 209b50d902SRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 219b50d902SRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 229b50d902SRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 239b50d902SRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 249b50d902SRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 259b50d902SRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 269b50d902SRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 279b50d902SRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 289b50d902SRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 299b50d902SRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 309b50d902SRodney W. Grimes.\" SUCH DAMAGE. 319b50d902SRodney W. Grimes.\" 329b50d902SRodney W. Grimes.\" @(#)expand.1 8.1 (Berkeley) 6/9/93 33c3aac50fSPeter Wemm.\" $FreeBSD$ 349b50d902SRodney W. Grimes.\" 35aca29625STim J. Robbins.Dd April 21, 2002 369b50d902SRodney W. Grimes.Dt EXPAND 1 3762500372SRuslan Ermilov.Os 389b50d902SRodney W. Grimes.Sh NAME 399b50d902SRodney W. Grimes.Nm expand , 409b50d902SRodney W. Grimes.Nm unexpand 419b50d902SRodney W. Grimes.Nd expand tabs to spaces, and vice versa 429b50d902SRodney W. Grimes.Sh SYNOPSIS 438fe908efSRuslan Ermilov.Nm 44d0353b83SRuslan Ermilov.Oo 45d0353b83SRuslan Ermilov.Fl t 46d0353b83SRuslan Ermilov.Sm off 47d0353b83SRuslan Ermilov.Ar tab1 , tab2 , ... , tabn 48d0353b83SRuslan Ermilov.Sm on 49d0353b83SRuslan Ermilov.Oc 50a2995dd0SPhilippe Charnier.Op Ar 519b50d902SRodney W. Grimes.Nm unexpand 529b50d902SRodney W. Grimes.Op Fl a 53aca29625STim J. Robbins.Oo 54aca29625STim J. Robbins.Fl t 55aca29625STim J. Robbins.Sm off 56aca29625STim J. Robbins.Ar tab1 , tab2 , ... , tabn 57aca29625STim J. Robbins.Sm on 58aca29625STim J. Robbins.Oc 59a2995dd0SPhilippe Charnier.Op Ar 609b50d902SRodney W. Grimes.Sh DESCRIPTION 613898680cSPhilippe CharnierThe 623898680cSPhilippe Charnier.Nm 633898680cSPhilippe Charnierutility processes the named files or the standard input writing 649b50d902SRodney W. Grimesthe standard output with tabs changed into blanks. 659b50d902SRodney W. GrimesBackspace characters are preserved into the output and decrement 669b50d902SRodney W. Grimesthe column count for tab calculations. 673898680cSPhilippe CharnierThe 683898680cSPhilippe Charnier.Nm 693898680cSPhilippe Charnierutility is useful for pre-processing character files 709b50d902SRodney W. Grimes(before sorting, looking at specific columns, etc.) that 719b50d902SRodney W. Grimescontain tabs. 729b50d902SRodney W. Grimes.Pp 733898680cSPhilippe CharnierThe 743898680cSPhilippe Charnier.Nm unexpand 753898680cSPhilippe Charnierutility puts tabs back into the data from the standard input or the named 769b50d902SRodney W. Grimesfiles and writes the result on the standard output. 779b50d902SRodney W. Grimes.Pp 78e4bbbf07STim J. RobbinsThe following options are available: 79a2995dd0SPhilippe Charnier.Bl -tag -width indent 809b50d902SRodney W. Grimes.It Fl a 813d0ae255SRuslan Ermilov.Nm ( unexpand 823d0ae255SRuslan Ermilovonly.) 839b50d902SRodney W. GrimesBy default, only leading blanks and tabs 846a3e8b0aSRuslan Ermilovare reconverted to maximal strings of tabs. 856a3e8b0aSRuslan ErmilovIf the 869b50d902SRodney W. Grimes.Fl a 879b50d902SRodney W. Grimesoption is given, then tabs are inserted whenever they would compress the 889b50d902SRodney W. Grimesresultant file by replacing two or more characters. 893d0ae255SRuslan Ermilov.It Fl t Sm Ar tab1 , tab2 , ... , tabn Sm 90e4bbbf07STim J. RobbinsSet tab stops at column positions 913d0ae255SRuslan Ermilov.Ar tab1 , tab2 , ... , tabn . 92e4bbbf07STim J. RobbinsIf only a single number is given, tab stops are set that number of 93e4bbbf07STim J. Robbinscolumn positions apart instead of the default number of 8. 949b50d902SRodney W. Grimes.El 95ec85e6a0STim J. Robbins.Sh ENVIRONMENT 96ec85e6a0STim J. RobbinsThe 973d0ae255SRuslan Ermilov.Ev LANG , LC_ALL 98ec85e6a0STim J. Robbinsand 99ec85e6a0STim J. Robbins.Ev LC_CTYPE 100ec85e6a0STim J. Robbinsenvironment variables affect the execution of 1013d0ae255SRuslan Ermilov.Nm 102ec85e6a0STim J. Robbinsand 103ec85e6a0STim J. Robbins.Nm unexpand 104ec85e6a0STim J. Robbinsas described in 105ec85e6a0STim J. Robbins.Xr environ 7 . 106e4bbbf07STim J. Robbins.Sh DIAGNOSTICS 107e4bbbf07STim J. Robbins.Ex -std expand unexpand 108aca29625STim J. Robbins.Sh STANDARDS 109aca29625STim J. RobbinsThe 1103d0ae255SRuslan Ermilov.Nm 111aca29625STim J. Robbinsand 112aca29625STim J. Robbins.Nm unexpand 113aca29625STim J. Robbinsutilities conform to 114aca29625STim J. Robbins.St -p1003.1-2001 . 1159b50d902SRodney W. Grimes.Sh HISTORY 1169b50d902SRodney W. GrimesThe 117a2995dd0SPhilippe Charnier.Nm 1189b50d902SRodney W. Grimescommand appeared in 1199b50d902SRodney W. Grimes.Bx 3.0 . 120