Name
echo
Synopsis
echo [-eEn] [string]Write string to standard output. (See also echo in Chapter 3.)
Options
- -e
Enable interpretation of the following escape sequences, which must be quoted (or escaped with a \) to prevent interpretation by the shell:
- \a
Alert (ASCII BEL).
- \b
Backspace.
- \c
Suppress the terminating newline (same as -n).
- \e
ASCII Escape character.
- \f
Formfeed.
- \n
Newline.
- \r
Carriage return.
- \t
Tab character.
- \v
Vertical-tab character.
- \\
Backslash.
- \0nnn
ASCII character represented by octal number nnn, where nnn is zero, one, two, or three digits and is preceded by a 0.
- \nnn
ASCII character represented by octal number nnn, where nnn is one, two, or three digits.
- \xHH
ASCII character represented by hexadecimal number HH, where HH is one or two hexadecimal digits.
- -E
Do not interpret escape sequences, even on systems where the default behavior of the built-in echo is to interpret them.
- -n
Do not print the terminating newline.
Examples
$echo "testing printer" | lp$echo "Warning: ringing bell \a"
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