- \033[ or Ctl-V,Esc,[ Starts a escape sequence
- m should be the last character in a sequence that sets font and/or background color
- a two digit number starting with 3 is for setting the font color
- a two digit number starting with 4 is for setting the background color
- the second digit of a two digit number represents the color
0 => black
1 => red
2 => green
3 => yellow
4 => blue
5 => purple
6 => cyan
7 => white - a single digit number represents a text style
0 => reset
1 => bold
3 => italics
4 => underline
5 => blink
7 => reverse
8 => invisible - cursor movement starts with a number which represents the number of characters to move and ends with a capital letter representing the direction
A => up
B => down
C => right
D => left - to move the cursor to a specific location it requires column number then a ; then the row number and ends with the letter H
- to clear the screen and move the cursor to the home position it requires the number 2 and the capital letter J
Examples:
echo '\033[31mHello World\033[0m'
\033[31m - Sets the text color to red.
Hello World - Prints 'Hello World' to the screen
\033[0m - Resets everything back to normal
echo 'XXXX\033[3DY'
XXXX - Prints XXXX
\033[3D - Moves back 3 characters
Y - Prints a Y
The output would look like 'XYXX'
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