1.2 KiB
Executable File
1.2 KiB
Executable File
The echo command
The echo command lets you display the line of text/string that is passed as an argument
Examples:
- To Show the line of text or string passed as an argument:
echo Hello There
- To show all files/folders similar to the
lscommand:
echo *
- To save text to a file named foo.bar:
echo "Hello There" > foo.bar
- To append text to a file named foo.bar:
echo "Hello There" >> foo.bar
Syntax:
echo [option] [string]
It is usually used in shell scripts and batch files to output status text to the screen or a file.The -e used with it enables the interpretation of backslash escapes
Additional Options and their Functionalities:
| Option | Description |
|---|---|
\b |
removes all the spaces in between the text |
\c |
suppress trailing new line with backspace interpretor ‘-e‘ to continue without emitting new line. |
\n |
creates new line from where it is used |
\t |
creates horizontal tab spaces |
\r |
carriage returns with backspace interpretor ‘-e‘ to have specified carriage return in output |
\v |
creates vertical tab spaces |
\a |
alert returns with a backspace interpretor ‘-e‘ to have sound alert |
-n |
omits echoing trailing newline . |