Using color in scripts Post: 303033728

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Operating Systems Linux Ubuntu Using color in scripts Post 303033728 by drew77 on Wednesday 10th of April 2019 05:53:25 PM

04-10-2019

Registered User

I am using mate terminal.

I found another way which is easier to use and tput is part of the ncurses package and is supplied with most Linux distributions.

Code:

FILE="/usr/share/sounds/My_Sounds/Short_doorbell.wav"

if [ -f "$FILE" ];
then
     tput setaf 2; echo "File $FILE does exist."
else
     tput setaf 1; echo "File $FILE does NOT exist."
     
fi
tput sgr0    # Reset text format to the terminal's default


#Num  Colour    #define         R G B

#0    black     COLOR_BLACK     0,0,0
#1    red       COLOR_RED       1,0,0
#2    green     COLOR_GREEN     0,1,0
#3    yellow    COLOR_YELLOW    1,1,0
#4    blue      COLOR_BLUE      0,0,1
#5    magenta   COLOR_MAGENTA   1,0,1
#6    cyan      COLOR_CYAN      0,1,1
#7    white     COLOR_WHITE     1,1,1

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ncurses_init_color

NCURSES_INIT_COLOR(3)							 1						     NCURSES_INIT_COLOR(3)

ncurses_init_color - Define a terminal color

SYNOPSIS

       int ncurses_init_color (int  $color, int  $r, int  $g, int  $b)

DESCRIPTION

	Defines  or redefines the given color. When this function is called, all occurrences of the given color on the screen, if any, immediately
       change to the new definition.

	Color capabilities must be supported by the terminal and initialized using ncurses_start_color(3) prior to calling this function. In addi-
       tion, the terminal must have color changing capabilities; use ncurses_can_change_color(3) to check for this.

PARAMETERS

	      o $color
		- The identification number of the color to redefine. It may be one of the default color constants.

	      o $r
		- A color value, between 0 and 1000, for the red component.

	      o $g
		- A color value, between 0 and 1000, for the green component.

	      o $b
		- A color value, between 0 and 1000, for the blue component.

RETURN VALUES

	Returns  -1 if the function was successful, and 0 if ncurses or terminal color capabilities have not been initialized or the terminal does
       not have color changing capabilities.

SEE ALSO

       ncurses_color_content(3), ncurses_start_color(3).

PHP Documentation Group 												     NCURSES_INIT_COLOR(3)