Table of Contents
This page delves into greater details about the echo command.
Usage
The echo command is used to output data to the bottom screen. It will display this data and also (<A> to continue) underneath the data.
Syntax & Example
echo <prompt>
Example:
echo "NAND backup has been restored."
Character Set
Including the blank space , these are the available characters:
!#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~
Implicit vs Explicit Statements
In general, one worded, simple, or continuous phrases may be implicitly stated.
Example 1
echo Hello
Example 2
echo Hello_World
There are limitations for phrases containing certain char, including -#$%
These phrases fall under the explicit category in which quotation marks " " are necessary. These can be escaped via the use of a backslash, but this should only really be used when there is one character that needs to be escaped.
Example 3
Incorrect: echo Hello World
Correct: echo "Hello World"
Example 4
Incorrect: echo 0:/Nintendo 3DS/
Correct: echo "0:/Nintendo 3DS/"
Correct (not recommended): echo 0:/Nintendo\ 3DS/
Skipping lines
Phrases that are too long may become unreadable if they fill past the right edge of the 3DS bottom screen. Like typing with the Enter key for a keyboard, the inclusion of \n serves as a break to begin readouts with a new line.
Example 5
echo "Hello \nWorld"
Hello
World
In order to skip two lines, care is needed to add between the two \n.
Example 6
echo "Hello \n\nWorld"
Hello
World
Example 7
echo "Hello \n \nWorld"
Hello
World
Variables
Statements can read back the values of variables.
Example 8
echo "GodMode9 output directory is \n$[GM9OUT]"
GodMode9 output directory is
0:/gm9/out
Notes
- See the
askcommand for statements with user input: two choices (YES/NO).