xref: /freebsd/usr.bin/col/col.1 (revision 844518ff93b604eee2668bfbbc2fb427e048b7b6)
19b50d902SRodney W. Grimes.\" Copyright (c) 1990, 1993
29b50d902SRodney W. Grimes.\"	The Regents of the University of California.  All rights reserved.
39b50d902SRodney W. Grimes.\"
49b50d902SRodney W. Grimes.\" This code is derived from software contributed to Berkeley by
59b50d902SRodney W. Grimes.\" Michael Rendell.
69b50d902SRodney W. Grimes.\"
79b50d902SRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without
89b50d902SRodney W. Grimes.\" modification, are permitted provided that the following conditions
99b50d902SRodney W. Grimes.\" are met:
109b50d902SRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright
119b50d902SRodney W. Grimes.\"    notice, this list of conditions and the following disclaimer.
129b50d902SRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright
139b50d902SRodney W. Grimes.\"    notice, this list of conditions and the following disclaimer in the
149b50d902SRodney W. Grimes.\"    documentation and/or other materials provided with the distribution.
159b50d902SRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software
169b50d902SRodney W. Grimes.\"    must display the following acknowledgement:
179b50d902SRodney W. Grimes.\"	This product includes software developed by the University of
189b50d902SRodney W. Grimes.\"	California, Berkeley and its contributors.
199b50d902SRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors
209b50d902SRodney W. Grimes.\"    may be used to endorse or promote products derived from this software
219b50d902SRodney W. Grimes.\"    without specific prior written permission.
229b50d902SRodney W. Grimes.\"
239b50d902SRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
249b50d902SRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
259b50d902SRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
269b50d902SRodney W. Grimes.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
279b50d902SRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
289b50d902SRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
299b50d902SRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
309b50d902SRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
319b50d902SRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
329b50d902SRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
339b50d902SRodney W. Grimes.\" SUCH DAMAGE.
349b50d902SRodney W. Grimes.\"
359b50d902SRodney W. Grimes.\"     @(#)col.1	8.1 (Berkeley) 6/29/93
36c3aac50fSPeter Wemm.\" $FreeBSD$
379b50d902SRodney W. Grimes.\"
389b50d902SRodney W. Grimes.Dd June 29, 1993
399b50d902SRodney W. Grimes.Dt COL 1
409b50d902SRodney W. Grimes.Os
419b50d902SRodney W. Grimes.Sh NAME
429b50d902SRodney W. Grimes.Nm col
439b50d902SRodney W. Grimes.Nd filter reverse line feeds from input
449b50d902SRodney W. Grimes.Sh SYNOPSIS
458fe908efSRuslan Ermilov.Nm
46844518ffSMike Heffner.Op Fl bfhpx
479b50d902SRodney W. Grimes.Op Fl l Ar num
489b50d902SRodney W. Grimes.Sh DESCRIPTION
499b50d902SRodney W. Grimes.Nm Col
509b50d902SRodney W. Grimesfilters out reverse (and half reverse) line feeds so that the output is
519b50d902SRodney W. Grimesin the correct order with only forward and half forward line
529b50d902SRodney W. Grimesfeeds, and replaces white-space characters with tabs where possible.
539b50d902SRodney W. GrimesThis can be useful in processing the output of
549b50d902SRodney W. Grimes.Xr nroff 1
559b50d902SRodney W. Grimesand
569b50d902SRodney W. Grimes.Xr tbl  1 .
579b50d902SRodney W. Grimes.Pp
589b50d902SRodney W. Grimes.Nm Col
599b50d902SRodney W. Grimesreads from the standard input and writes to the standard output.
609b50d902SRodney W. Grimes.Pp
619b50d902SRodney W. GrimesThe options are as follows:
62a292105aSPhilippe Charnier.Bl -tag -width indent
639b50d902SRodney W. Grimes.It Fl b
649b50d902SRodney W. GrimesDo not output any backspaces, printing only the last character
659b50d902SRodney W. Grimeswritten to each column position.
669b50d902SRodney W. Grimes.It Fl f
679b50d902SRodney W. GrimesForward half line feeds are permitted (``fine'' mode).
689b50d902SRodney W. GrimesNormally characters printed on a half line boundary are printed
699b50d902SRodney W. Grimeson the following line.
7043d665c0SDima Dorfman.It Fl h
7143d665c0SDima DorfmanDon't output multiple spaces instead of tabs (default).
72844518ffSMike Heffner.It Fl p
73844518ffSMike HeffnerForce unknown control sequences to be passed through unchanged.
74844518ffSMike HeffnerNormally,
75844518ffSMike Heffner.Nm
76844518ffSMike Heffnerwill filter out any control sequences from the input other than those
77844518ffSMike Heffnerrecognized and interpreted by itself, which are listed below.
789b50d902SRodney W. Grimes.It Fl x
799b50d902SRodney W. GrimesOutput multiple spaces instead of tabs.
809b50d902SRodney W. Grimes.It Fl l Ar num
819b50d902SRodney W. GrimesBuffer at least
829b50d902SRodney W. Grimes.Ar num
839b50d902SRodney W. Grimeslines in memory.
849b50d902SRodney W. GrimesBy default, 128 lines are buffered.
859b50d902SRodney W. Grimes.El
869b50d902SRodney W. Grimes.Pp
879b50d902SRodney W. GrimesThe control sequences for carriage motion that
88a292105aSPhilippe Charnier.Nm
899b50d902SRodney W. Grimesunderstands and their decimal values are listed in the following
909b50d902SRodney W. Grimestable:
919b50d902SRodney W. Grimes.Pp
929b50d902SRodney W. Grimes.Bl -tag -width "carriage return" -compact
939b50d902SRodney W. Grimes.It ESC\-7
949b50d902SRodney W. Grimesreverse line feed (escape then 7)
959b50d902SRodney W. Grimes.It ESC\-8
969b50d902SRodney W. Grimeshalf reverse line feed (escape then 8)
979b50d902SRodney W. Grimes.It ESC\-9
989b50d902SRodney W. Grimeshalf forward line feed (escape then 9)
999b50d902SRodney W. Grimes.It backspace
1009b50d902SRodney W. Grimesmoves back one column (8); ignored in the first column
1019b50d902SRodney W. Grimes.It carriage return
1029b50d902SRodney W. Grimes(13)
1039b50d902SRodney W. Grimes.It newline
1049b50d902SRodney W. Grimesforward line feed (10); also does carriage return
1059b50d902SRodney W. Grimes.It shift in
1069b50d902SRodney W. Grimesshift to normal character set (15)
1079b50d902SRodney W. Grimes.It shift out
1089b50d902SRodney W. Grimesshift to alternate character set (14)
1099b50d902SRodney W. Grimes.It space
1109b50d902SRodney W. Grimesmoves forward one column (32)
1119b50d902SRodney W. Grimes.It tab
1129b50d902SRodney W. Grimesmoves forward to next tab stop (9)
1139b50d902SRodney W. Grimes.It vertical tab
1149b50d902SRodney W. Grimesreverse line feed (11)
1159b50d902SRodney W. Grimes.El
1169b50d902SRodney W. Grimes.Pp
1179b50d902SRodney W. GrimesAll unrecognized control characters and escape sequences are
1189b50d902SRodney W. Grimesdiscarded.
1199b50d902SRodney W. Grimes.Pp
1209b50d902SRodney W. Grimes.Nm Col
1219b50d902SRodney W. Grimeskeeps track of the character set as characters are read and makes
1229b50d902SRodney W. Grimessure the character set is correct when they are output.
1239b50d902SRodney W. Grimes.Pp
1249b50d902SRodney W. GrimesIf the input attempts to back up to the last flushed line,
125a292105aSPhilippe Charnier.Nm
1269b50d902SRodney W. Grimeswill display a warning message.
1279b50d902SRodney W. Grimes.Sh SEE ALSO
1289b50d902SRodney W. Grimes.Xr expand 1 ,
1299b50d902SRodney W. Grimes.Xr nroff 1 ,
1309b50d902SRodney W. Grimes.Xr tbl 1
1319b50d902SRodney W. Grimes.Sh HISTORY
1329b50d902SRodney W. GrimesA
133a292105aSPhilippe Charnier.Nm
1349b50d902SRodney W. Grimescommand
1350f778506SMike Pritchardappeared in
1360f778506SMike Pritchard.At v6 .
137