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author | rgrimes <rgrimes@FreeBSD.org> | 1994-05-27 12:33:43 +0000 |
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committer | rgrimes <rgrimes@FreeBSD.org> | 1994-05-27 12:33:43 +0000 |
commit | f9ab90d9d6d02989a075d0f0074496d5b1045e4b (patch) | |
tree | add7e996bac5289cdc55e6935750c352505560a9 /usr.bin/expand/expand.1 | |
parent | be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da (diff) | |
download | FreeBSD-src-f9ab90d9d6d02989a075d0f0074496d5b1045e4b.zip FreeBSD-src-f9ab90d9d6d02989a075d0f0074496d5b1045e4b.tar.gz |
BSD 4.4 Lite Usr.bin Sources
Diffstat (limited to 'usr.bin/expand/expand.1')
-rw-r--r-- | usr.bin/expand/expand.1 | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/usr.bin/expand/expand.1 b/usr.bin/expand/expand.1 new file mode 100644 index 0000000..e345065 --- /dev/null +++ b/usr.bin/expand/expand.1 @@ -0,0 +1,87 @@ +.\" Copyright (c) 1980, 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)expand.1 8.1 (Berkeley) 6/9/93 +.\" +.Dd June 9, 1993 +.Dt EXPAND 1 +.Os BSD 4 +.Sh NAME +.Nm expand , +.Nm unexpand +.Nd expand tabs to spaces, and vice versa +.Sh SYNOPSIS +.Nm expand +.Op Fl Ns Ar tabstop +.Op Fl Ns Ar tab1,tab2,...,tabn +.Ar +.Nm unexpand +.Op Fl a +.Ar +.Sh DESCRIPTION +.Nm Expand +processes the named files or the standard input writing +the standard output with tabs changed into blanks. +Backspace characters are preserved into the output and decrement +the column count for tab calculations. +.Nm Expand +is useful for pre-processing character files +(before sorting, looking at specific columns, etc.) that +contain tabs. +.Pp +If a single +.Ar tabstop +argument is given, then tabs are set +.Ar tabstop +spaces apart instead of the default 8. +If multiple tabstops are given then the tabs are set at those +specific columns. +.Pp +.Nm Unexpand +puts tabs back into the data from the standard input or the named +files and writes the result on the standard output. +.Pp +Option (with +.Nm unexpand +only): +.Bl -tag -width flag +.It Fl a +By default, only leading blanks and tabs +are reconverted to maximal strings of tabs. If the +.Fl a +option is given, then tabs are inserted whenever they would compress the +resultant file by replacing two or more characters. +.El +.Sh HISTORY +The +.Nm expand +command appeared in +.Bx 3.0 . |