BSD 4_4 release

[unix-history] / usr / src / usr.bin / colrm / colrm.1

diff --git a/usr/src/usr.bin/colrm/colrm.1 b/usr/src/usr.bin/colrm/colrm.1
index 1dd2c70..5700b54 100644 (file)
--- a/usr/src/usr.bin/colrm/colrm.1
+++ b/usr/src/usr.bin/colrm/colrm.1
@@ -1,11 +1,37 @@
-.\" Copyright (c) 1980, 1990 The Regents of the University of California.
-.\" All rights reserved.
+.\" Copyright (c) 1980, 1990, 1993
+.\"    The Regents of the University of California.  All rights reserved.

 .\"
 .\"

-.\" %sccs.include.redist.man%
+.\" 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.

 .\"
 .\"

-.\"     @(#)colrm.1    6.6 (Berkeley) %G%
+.\" 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.

 .\"
 .\"

-.Dd 
+.\"     @(#)colrm.1    8.1 (Berkeley) 6/6/93
+.\"
+.Dd June 6, 1993

 .Dt COLRM 1
 .Os BSD 3
 .Sh NAME
 .Dt COLRM 1
 .Os BSD 3
 .Sh NAME


@@ -13,25 +39,40 @@
 .Nd remove columns from a file
 .Sh SYNOPSIS
 .Nm colrm
 .Nd remove columns from a file
 .Sh SYNOPSIS
 .Nm colrm

-.Op Ar startcol Op Ar endcol
+.Op Ar start Op Ar stop

 .Sh DESCRIPTION
 .Nm Colrm
 .Sh DESCRIPTION
 .Nm Colrm

-removes selected columns from a file.  Input is taken from standard input.
-Output is sent to standard output.
+removes selected columns from the lines of a file.
+A column is defined as a single character in a line.
+Input is read from the standard input.
+Output is written to the standard output.

 .Pp
 .Pp

-If called with one parameter the columns
-of each line will be removed starting with the specified column.
-If called with two parameters the columns from the first column
-to the last column will be removed.
+If only the
+.Ar start
+column is specified, columns numbered less than the
+.Ar start
+column will be written.
+If both
+.Ar start
+and
+.Ar stop
+columns are specified, columns numbered less than the
+.Ar start
+column
+or greater than the
+.Ar stop
+column will be written.
+Column numbering starts with one, not zero.

 .Pp
 .Pp

-Column numbering starts with column 1.
+Tab characters increment the column count to the next multiple of eight.
+Backspace characters decrement the column count by one.

 .Sh SEE ALSO
 .Xr awk 1 ,
 .Xr column 1 ,
 .Sh SEE ALSO
 .Xr awk 1 ,
 .Xr column 1 ,

-.Xr expand 1 ,
+.Xr cut 1 ,

 .Xr paste 1
 .Sh HISTORY
 The
 .Xr paste 1
 .Sh HISTORY
 The

-.Nm
+.Nm colrm

 command appeared in 
 .Bx 3.0 .
 command appeared in 
 .Bx 3.0 .