BSD 4_3_Net_2 release

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

diff --git a/usr/src/bin/cat/cat.1 b/usr/src/bin/cat/cat.1
index a164522..c53fb8c 100644 (file)
--- a/usr/src/bin/cat/cat.1
+++ b/usr/src/bin/cat/cat.1
@@ -1,23 +1,40 @@
 .\" Copyright (c) 1989, 1990 The Regents of the University of California.
 .\" All rights reserved.
 .\"
 .\" Copyright (c) 1989, 1990 The Regents of the University of California.
 .\" All rights reserved.
 .\"

-.\" Redistribution and use in source and binary forms are permitted provided
-.\" that: (1) source distributions retain this entire copyright notice and
-.\" comment, and (2) distributions including binaries display the following
-.\" acknowledgement:  ``This product includes software developed by the
-.\" University of California, Berkeley and its contributors'' in the
-.\" documentation or other materials provided with the distribution and in
-.\" all advertising materials mentioning features or use of this software.
-.\" 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
-.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
-.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+.\" This code is derived from software contributed to Berkeley by
+.\" the Institute of Electrical and Electronics Engineers, Inc.

 .\"
 .\"

-.\"     @(#)cat.1      6.12 (Berkeley) 7/24/90
+.\" 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.

 .\"
 .\"

-.Dd July 24, 1990
+.\" 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.
+.\"
+.\"     @(#)cat.1      6.16 (Berkeley) 6/27/91
+.\"
+.Dd June 27, 1991

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


@@ -27,7 +44,7 @@
 .Nm cat
 .Op Fl benstuv
 .Op Fl
 .Nm cat
 .Op Fl benstuv
 .Op Fl

-.Ar
+.Op Ar

 .Sh DESCRIPTION
 The
 .Nm cat
 .Sh DESCRIPTION
 The
 .Nm cat


@@ -38,67 +55,67 @@ operands are processed in command line order.
 A single dash represents standard input.
 .Pp
 The options are as follows:
 A single dash represents standard input.
 .Pp
 The options are as follows:

-.Tw Ds
-.Tp Fl b
+.Bl -tag -width Ds
+.It Fl b

 Implies the
 .Fl n
 option but doesn't number blank lines.
 Implies the
 .Fl n
 option but doesn't number blank lines.

-.Tp Fl e
+.It Fl e

 Implies the
 .Fl v
 Implies the
 .Fl v

-option, and displays a dollar sign (``$'') at the end of each line
+option, and displays a dollar sign
+.Pq Ql \&$
+at the end of each line

 as well.
 as well.

-.Tp Fl n
+.It Fl n

 Number the
 .Ar output
 lines, starting at 1.
 Number the
 .Ar output
 lines, starting at 1.

-.Tp Fl s
+.It Fl s

 Squeeze multiple adjacent empty lines, causing the output to be
 single spaced.
 Squeeze multiple adjacent empty lines, causing the output to be
 single spaced.

-.Tp Fl t
+.It Fl t

 Implies the
 .Fl v
 Implies the
 .Fl v

-option, and displays tab characters as ``^I'' as well.
-.Tp Fl u
+option, and displays tab characters as
+.Pq Ql ^I
+as well.
+.It Fl u

 The
 .Fl u
 option guarantees that the output is unbuffered.
 The
 .Fl u
 option guarantees that the output is unbuffered.

-.Tp Fl v
+.It Fl v

 Displays non-printing characters so they are visible.
 Displays non-printing characters so they are visible.

-Control characters print line ``^X'' for control-X; the delete
-character (octal 0177) prints as ``^?''.
+Control characters print line
+.Ql ^X
+for control-X; the delete
+character (octal 0177) prints as
+.Ql ^?

 Non-ascii characters (with the high bit set) are printed as
 Non-ascii characters (with the high bit set) are printed as

-`.`M-'' (for meta) followed by the character for the low 7 bits.
-.Tp
-.Pp
-.Nm Cat
-is useful for getting files into a pipe, for instance, to sort
-two files together,
-the command
-.Pp
-.Dl cat file1 file2 | sort > sfile
-.Pp
-reads the contents of
-file1 and file2 sequentially, pipes it all to sort and places the
-newly sorted data in file3.
+.Ql M-
+(for meta) followed by the character for the low 7 bits.
+.El

 .Pp
 .Pp

+The
+.Nm cat
+utility exits 0 on success, and >0 if an error occurs.
+.Sh BUGS

 Because of the shell language mechanism used to perform output
 Because of the shell language mechanism used to perform output

-redirection, the command ``cat file1 file 2 > file1'' will cause
-.P original data in file1 to be destroyed!
-.Pp
-.Nm Cat
-The cat utility exits 0 on success, and >0 if an error
-occurs.
+redirection, the command
+.Dq Li cat file1 file 2 > file1
+will cause the original data in file1 to be destroyed!

 .Sh SEE ALSO
 .Xr head 1 ,
 .Xr more 1 ,
 .Xr pr 1 ,
 .Xr tail 1
 .Sh SEE ALSO
 .Xr head 1 ,
 .Xr more 1 ,
 .Xr pr 1 ,
 .Xr tail 1

-.Pp
-Rob Pike,
-.Em UNIX Style, or cat -v Considered Harmful
-USENIX Summer Conference Proceedings, 1983.
+.Rs
+.%A Rob Pike
+.%T "UNIX Style, or cat -v Considered Harmful"
+.%J "USENIX Summer Conference Proceedings"
+.%D 1983
+.Re

 .Sh HISTORY
 .Sh HISTORY

-The
+A

 .Nm
 .Nm

-command appeared in Version 7 AT&T UNIX.
+command appeared in Version 6 AT&T UNIX.