check for divide by zero.
[unix-history] / usr / src / bin / echo / echo.1
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1.\" Copyright (c) 1990 The Regents of the University of California.
2.\" All rights reserved.
b6a59bd8 3.\"
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4.\" This code is derived from software contributed to Berkeley by
5.\" the Institute of Electrical and Electronics Engineers, Inc.
f35cac8e 6.\"
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7.\" %sccs.include.redist.roff%
8.\"
9.\" @(#)echo.1 6.8 (Berkeley) %G%
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10.\"
11.Dd
12.Dt ECHO 1
86a35ec6 13.Os
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14.Sh NAME
15.Nm echo
16.Nd write arguments to the standard output
17.Sh SYNOPSIS
18.Nm echo
19.Op Fl n
28c11414 20.Op "string ..."
f35cac8e 21.Sh DESCRIPTION
5325ced3 22The
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23.Nm echo
24utility writes any specified operands, separated by single blank (`` '')
25characters) and followed by a newline (``\en'') character, to the standard
6df676a5 26output.
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27.Pp
28The following option is available:
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29.Bl -tag -width flag
30.It Fl n
6df676a5 31Do not print the trailing newline character.
28c11414 32.El
f35cac8e 33.Pp
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34The
35.Nm echo
f35cac8e 36utility exits 0 on success, and >0 if an error occurs.
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37.Sh SEE ALSO
38.Xr printf 1
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39.Sh STANDARDS
40The
41.Nm echo
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42utility is expected to be
43.St -p1003.2
44compatible.