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Add some commas.
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.\" $NetBSD: echo.1,v 1.19 2020/02/26 07:14:47 wiz Exp $
convert to new RCS id conventions.
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.\"
Merge 4.4-Lite version.
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.\" Copyright (c) 1990, 1993
.\" The Regents of the University of California. All rights reserved.
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.\"
.\" This code is derived from software contributed to Berkeley by
.\" the Institute of Electrical and Electronics Engineers, Inc.
.\"
.\" 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.
Move UCB-licensed code from 4-clause to 3-clause licence. Patches provided by Joel Baker in PR 22249, verified by myself.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" 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.
.\"
convert to new RCS id conventions.
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.\" @(#)echo.1 8.1 (Berkeley) 7/22/93
added rcs ids to all files
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.\"
echo.1: add a note about other echo implementations The other BSDs all have a note reminding that many shells have their own internal echo implementations which may vary from this utility, so add one. (Much of the wording is borrowed from FreeBSD's man page.) (The other BSDs also have notes about the -n option not really being portable, and printf[1] being preferable, we might want to add something about that, too.)
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.Dd February 26, 2020
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.Dt ECHO 1
.Os
.Sh NAME
.Nm echo
.Nd write arguments to the standard output
.Sh SYNOPSIS
Fix .Nm usage.
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.Nm
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.Op Fl n
Use .Ar macro for argument.
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.Op Ar string ...
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.Sh DESCRIPTION
The
Fix .Nm usage.
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.Nm
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utility writes any specified operands, separated by single blank (`` '')
Merge 4.4-Lite version.
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characters and followed by a newline (``\en'') character, to the standard
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output.
.Pp
The following option is available:
.Bl -tag -width flag
.It Fl n
Do not print the trailing newline character.
.El
echo.1: add a note about other echo implementations The other BSDs all have a note reminding that many shells have their own internal echo implementations which may vary from this utility, so add one. (Much of the wording is borrowed from FreeBSD's man page.) (The other BSDs also have notes about the -n option not really being portable, and printf[1] being preferable, we might want to add something about that, too.)
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.Pp
Note that many shells (e.g.,
.Xr csh 1
and
.Xr ksh 1 )
provide a built-in
.Nm
command which tends to differ from this utility in the treatment of options
and backslashes.
For commands and utilities, use EXIT STATUS rather than RETURN VALUES as appropriate (and documented in mdoc(7)).
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.Sh EXIT STATUS
Use Ex.
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.Ex -std echo
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.Sh SEE ALSO
Add some commas.
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.Xr csh 1 ,
.Xr ksh 1 ,
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.Xr printf 1
.Sh STANDARDS
The
Fix .Nm usage.
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.Nm
Merge 4.4-Lite version.
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utility is expected to be
.St -p1003.2
compatible.
Document the version echo first appeared. Bump date.
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.Sh HISTORY
An
.Nm
utility appeared in
While the v2 source and man pages are incomplete, TUHS has a scanned copy of the printed version of the 2nd edition manual. echo is featured in this copy. http://www.tuhs.org/Archive/PDP-11/Distributions/research/1972_stuff/unix_2nd_edition_manual.pdf Ammend HISTORY and bump date.
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.At v2 .