55 lines
1.1 KiB
Groff
55 lines
1.1 KiB
Groff
.TH echo 1 2021-11-21 mp-utils "General Commands Manual"
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.SH NAME
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echo \- Print argv to stdout.
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.PP
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.SH SYNOPSIS
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.PP
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Print the provided arguments to stdout while applying
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.SM
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SUS
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backslash escapes.
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.SH DESCRIPTION
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.PP
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Echo accepts input from the user and prints it to stdout while escaping the following specified sequences.
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\\a \- Print a BEL.
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\\b \- Print a backspace.
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\\c \- Suppress the trailing newline and ignore further input.
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\\f \- Print a form-feed.
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\\n \- Print a newline.
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\\r \- Print a carriage return.
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\\t \- Print a tabulation.
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\\v \- Print a vertical tabulation.
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\\0 \- Print the specified codepoint (specified in octal) in the system's encoding.
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.SH OPTIONS
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.PP
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This implementation of echo accepts no parameters.
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.SH ENVIRONMENT
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This implementation of echo requires a C89 compiler.
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.SH FILES
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/usr/src/mp-utils/src/echo.c
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.SH CONFORMING TO
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.PP
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.SM
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POSIX
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2017,
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.SM
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SUS
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3
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.SH NOTES
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.PP
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For historical reasons implementations of echo vary wildly in their behavior across systems. For a portable way to print to stdout, see printf.
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.SH ERRORS
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.PP
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Currently, \\0xxx (octal) escapes have not been implemented.
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.SH SEE ALSO
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echo(1p), printf(1p), printf(1)
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