NAME [Toc] [Back]
echo - echo (print) arguments
SYNOPSIS [Toc] [Back]
echo [arg] ...
DESCRIPTION [Toc] [Back]
echo writes its arguments separated by blanks and terminated by a
new-line on the standard output. It also understands C-like escape
conventions; beware of conflicts with the shell's use of \:
\a write an alert character
\c print line without appending a new-line
\r carriage return
\v vertical tab
\n the 8-bit character whose ASCII code is the 1-, 2-, 3-
or 4-digit octal number n, whose first character must
be a zero.
\0num write an 8-bit value that is the zero-, one-, two- or
three-digit octal number num
echo is useful for producing diagnostics in command files and for
sending known data into a pipe.
Notes [Toc] [Back]
Berkeley echo differs from this implementation. The former does not
implement the backslash escapes. However, the semantics of the \c
escape can be obtained by using the -n option. The echo command
implemented as a built-in function of csh follows the Berkeley
semantics (see csh(1)).
EXTERNAL INFLUENCES [Toc] [Back]
LC_CTYPE determines the interpretation of arg as single and/or multibyte
If LC_CTYPE is not specified in the environment or is set to the empty
string, the value of LANG is used as a default for each unspecified or
empty variable. If LANG is not specified or is set to the empty
string, a default of "C" (see lang(5)) is used instead of LANG. If
any internationalization variable contains an invalid setting, echo
behaves as if all internationalization variables are set to "C". See
International Code Set Support [Toc] [Back]
Single- and multi-byte character code sets are supported.
Hewlett-Packard Company - 1 - HP-UX 11i Version 2: August 2003
AUTHOR [Toc] [Back]
echo was developed by OSF and HP.
SEE ALSO [Toc] [Back]
BUGS [Toc] [Back]
No characters are printed after the first \c. This is not normally a
STANDARDS CONFORMANCE [Toc] [Back]
echo: SVID2, SVID3, XPG2, XPG3, XPG4, POSIX.2
Hewlett-Packard Company - 2 - HP-UX 11i Version 2: August 2003 [ Back ]