1 .\" Copyright (c) 1991, 1993
2 .\" The Regents of the University of California. All rights reserved.
4 .\" This code is derived from software contributed to Berkeley by
6 .\" Copyright 1989 by Kenneth Almquist
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9 .\" modification, are permitted provided that the following conditions
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18 .\" This product includes software developed by the University of
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36 .\" @(#)echo.1 8.2 (Berkeley) 5/4/95
37 .\" $FreeBSD: src/bin/sh/bltin/echo.1,v 1.7.2.5 2003/01/24 02:37:51 keramida Exp $
44 .Nd produce message in a shell script
52 utility prints its arguments on the standard output, separated by spaces.
55 option is present, a newline is output following the arguments.
60 to treat the escape sequences specially, as described in the following
64 option is the default, and is provided solely for compatibility with
66 Only one of the options
72 If any of the following sequences of characters is encountered during
73 output, the sequence is not output. Instead, the specified action is
75 .Bl -tag -width indent
77 A backspace character is output.
79 Subsequent output is suppressed. This is normally used at the end of the
80 last argument to suppress the trailing newline that
82 would otherwise output.
86 Output a newline character.
88 Output a carriage return.
90 Output a (horizontal) tab character.
92 Output a vertical tab.
93 .It Li \e0 Ns Ar digits
94 Output the character whose value is given by zero to three digits.
95 If there are zero digits, a
102 Remember that backslash is special to the shell and needs to be escaped.
103 To output a message to standard error, say
107 The octal character escape mechanism
108 .Pq Li \e0 Ns Ar digits
110 C language mechanism.
112 There is no way to force
114 to treat its arguments literally, rather than interpreting them as
115 options and escape sequences.