Name
echo — stdin stdout - file -- opt --help --version
Synopsis
echo [options
]strings
The echo
command simply
prints its arguments:
➜ echo We are having fun
We are having fun
OS X has several different echo
commands with slightly different
behavior. There’s /bin/echo, but
shells typically override this with a built-in command called echo
. To find out which you’re using, run
the command type echo
.
Useful options
| Don’t print a final newline character. |
| Recognize and interpret
escape characters. (Not supported by /bin/echo.) For example, try
|
| Don’t interpret escape
characters: the opposite of |
Available escape characters are:
| Alert (play a beep) |
| Backspace |
| Don’t print the final
newline (same effect as |
| Form feed |
| Line feed (newline) |
| Carriage return |
| Horizontal tab |
| Vertical tab |
| A backslash |
| Single quote |
| Double quote |
| The character whose
ASCII value is |
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