Terminal control/Coloured text: Difference between revisions

{{works with|MS-DOS}}

Prints the letter 'A' to the screen in bright cyan (color 11 in VGA)

.stack 1024

.data

mov ax,4C00h ;return to dos

int 21h

=={{header|AArch64 Assembly}}==

{{works with|as|Raspberry Pi 3B version Buster 64 bits}}

/* ARM assembly AARCH64 Raspberry PI 3B */

/* program colorterminal64.s */

/* for this file see task include a file in language AArch64 assembly */

.include "../includeARM64.inc"

<pre>

Program start

=={{header|Ada}}==

{{libheader|ANSIAda}}

with Ansi;

New_Line;

end loop;

=={{header|ARM Assembly}}==

{{works with|as|Raspberry Pi}}

/* ARM assembly Raspberry PI */

bx lr @ return

=={{header|Arturo}}==

print color #red str

print color #cyan str

print color #black str

=={{header|AutoHotkey}}==

[[Image:AutoHotkey_terminal_control_coloured_text.jpeg|thumb|right]]

AutoHotkey is not written for the command line, so we need to use the WinAPI directly. For simplicity, this example demonstrates only the foreground colours.

hConsole := DllCall( "GetStdHandle", int, STDOUT := -11 )

Loop 15

return out

return 0

=={{header|BaCon}}==

COLOR FG TO BLACK

PRINT "a word"

' Other colours include YELLOW, BLUE, MAGENTA, CYAN, WHITE

' Second keyword can be BG for background colour control

=={{header|BASIC}}==

{{works with|QBasic}}

COLOR n

PRINT "Rosetta Code"

==={{header|Commodore BASIC}}===

Eight (8) colors available.

20 for i=0 to 7

30 poke 646,i:print "rosetta code!"

40 next i

====Commodore 64====

Sixteen (16) colors available. This program also works on the rare Commodore CBM-II P500, which featured the same VIC-II video chip as the Commodore 64. Simply change the memory address from 646 to 236.

20 for i=0 to 15

30 poke 646,i:print "rosetta code!"

40 next

====Commodore 128====

Outputs 16 colors to both the 80-column and 40-column displays, however the palette between the two displays is not exactly the same.

20 for i=0 to 15

30 color 5,i:print "rosetta code!"

70 color 5,i:print "rosetta code!"

80 next i

====Commodore Plus/4====

This machine is capable of 8 luminance values for 15 colors, plus black, yielding a total of 121 unique colors.

20 for c=1 to 16

30 for b=0 to 7

40 color 1,c,b:print "rosetta code!"

50 next b:next c

=={{header|BBC BASIC}}==

COLOUR col% : REM foreground

COLOUR 128+(15-col%) : REM background

PRINT "Rosetta Code"

[[File:coloured_text_bbc.gif]]

=={{header|Befunge}}==

Assuming a terminal with support for ANSI escape sequences, this displays the words ''Red'', ''Green'', ''Blue'', ''Magenta'', ''Cyan'' and ''Yellow'', using the corresponding text colour and a "complementary" background colour.

=={{header|C}}==

On a terminal that understands ANSI escape sequences, such as color xterm, this shows you some annoyingly huge, annoyingly colorful tables.

void table(const char *title, const char *mode)

table("inverted ( ESC[7m )", "7;");

return 0;

=={{header|C sharp|C#}}==

Visual Studios Intellisense will list all available colours.

static void Main(string[] args)

{

Console.ReadKey();

}

=={{header|COBOL}}==

{{works with|OpenCOBOL}}

<!-- I couldn't find a way to upload a picture of the output. The 'Upload File' option isn't there for me. Would someone else mind uploading it? -->

IDENTIFICATION DIVISION.

PROGRAM-ID. coloured-text.

GOBACK

=={{header|Common Lisp}}==

==={{header|ncurses}}===

To interface the ncurses C library from Lisp, the ''croatoan'' library is used.

(with-screen (scr :input-blocking t :input-echoing nil :cursor-visible nil)

(dolist (i '(:red :green :yellow :blue :magenta :cyan :white))

(refresh scr)

;; wait for keypress

=={{header|D}}==

For terminals that understand color escape sequences:

std.conv,

std.stdio;

"Hello, world!".color(c).writeln;

}

=={{header|Dc}}==

Regarding blinking... may be I add that later.

# C: for( initcode ; condcode ; incrcode ) {body}

] lFx ## for b

AP

=={{header|F_Sharp|F#}}==

{{trans|C#}}

Console.ForegroundColor <- ConsoleColor.Red

Console.ResetColor()

Console.WriteLine("Back to normal")

=={{header|Forth}}==

ANS/ISO Forth does not specify how screen color is handled. This demonstration creates a set of commands for an ANSI terminal that give the programmer control of text color.

DECIMAL

( support routines)

: TEXT ( color ) 30 + ATTR ; ( use: YELLOW TEXT )

: BACKGROUND ( color ) 40 + ATTR ; ( use: BLUE BACKGROUND )

With the code loaded into Forth, color control is a part of the language

BLUE TEXT BOLD ATTR ok

=={{header|Fortran}}==

! and ANSI supporting terminal (tested Linux, various terminals).

program coloured_terminal_text

write(ERROR_UNIT, '(a)') background_green // 'Bonus Round' // reset

===Intel Fortran on Windows===

Using Windows API functions, see for instance '''[https://msdn.microsoft.com/en-us/library/ms686047.aspx SetConsoleTextAttribute]''' in MSDN. On can set foreground and background colors, available attributes are [https://msdn.microsoft.com/en-us/library/ms682088.aspx here]. It's not possible to cause blinking without using a thread to change attributes at time intervals. The program reverts the console attributes to the preceding values. Failing to do that, it is still possible to reset console colors with the '''color''' command, without arguments.

use kernel32

implicit none

print "(A)", "This is a red string."

q = SetConsoleTextAttribute(hConsole, csbi%wAttributes)

=={{header|FreeBASIC}}==

Draws a 4x4 grid of coloured text with coloured backgrounds. Auto-blinking text isn't supported.

color i, 15-i

print "Colour "+str(i),

if i mod 4 = 3 then color 0,0: print

=={{header|FunL}}==

bold()

reset()

=={{header|Go}}==

===External command===

import (

cmd.Stdout = os.Stdout

cmd.Run()

Optional tasks

import (

cmd.Stdout = os.Stdout

return cmd.Run()

===ANSI escape codes===

import "fmt"

fmt.Println("\033[32mGreen")

fmt.Println("\033[34mBlue")

Optional tasks

import "fmt"

fmt.Println(" Blinking Red ")

fmt.Print("\033[25;40m") // blink off, black background

===Ncurses===

{{libheader|Curses}}

import (

s.Println("Blue")

s.GetChar()

Optional tasks

import (

s.Print(" Blinking Red ")

s.GetChar()

=={{header|Golo}}==

----

This module demonstrates terminal colours.

}

println("")

=={{header|GW-BASIC}}==

Sixteen foreground colours, in non-flashing and flashing, and eight background colours.

20 COLOR I, 7 - (I MOD 8)

30 PRINT I;

40 IF I MOD 4 = 3 THEN COLOR 7, 0 : PRINT

=={{header|Haskell}}==

{{Works with|ansi-terminal|0.5.5.1}}

import System.Console.ANSI

colorStrLn Vivid Green Dull Black "This is green on black."

colorStrLn Vivid Yellow Dull Black "This is yellow on black."

=={{header|J}}==

<!--WARNING-->

Quite different from the fixed c solution, we flexibly construct character vectors that combine various functions. This code constructs two such sequences, DB is useful to write vertical text, and the noun J output to the terminal draws to the extent of my artistic ability the J icon at the relative position.

CSI=: 27 91 { a.

J=: J , (backward 5),'\____/'

smoutput(color BLACK),(clear 2),(move 8 22),J,(WHITE color BLACK),(downward 2)

=={{header|Julia}}==

Julia has rudimentary color terminal support built-in. Slightly more elaborate color and effect support is available with the <code>AnsiColor</code> package.

using AnsiColor

println("This terminal appears not to support color.")

end

{{out}}

=={{header|Kotlin}}==

{{Works with|Ubuntu|14.04}}

const val ESC = "\u001B"

}

println(WHITE) // set foreground color to normal white

=={{header|Lasso}}==

define ec(code::string) => {

stdoutnl('So this is the Rosetta Code!')

stdout( ec('normal'))

=={{header|Locomotive Basic}}==

20 print "Mode 1 (4 colors):"

30 for y=0 to 3

330 print "*End of color demo*"

340 locate 1,25:print "<Press any key>";:call &bb06

=={{header|Lua}}==

Assumes an ansi-capable terminal..

colors = { 30,31,32,33,34,35,36,37,90,91,92,93,94,95,96,97 }

for _,bg in ipairs(colors) do

end

print("\027[0m") -- be nice, reset

{{out}}

''(image upload is broken)''

=={{header|Mathematica}}/{{header|Wolfram Language}}==

Delegating to tput on terminal enabled OS(Mac Os, Linux)

Run["tput setaf 2"]; Print["Coloured Text"];

[[File:colouredtextmma.png]]

=={{header|Nim}}==

setForegroundColor(fgRed)

echo "FATAL ERROR! Cannot write to /boot/vmlinuz-3.2.0-33-generic"

setForegroundColor(fgMagenta)

=={{header|OCaml}}==

Using the library [http://forge.ocamlcore.org/projects/ansiterminal/ ANSITerminal] in the interactive loop:

# open ANSITerminal ;;

# print_string [cyan; on_blue] "Hello\n" ;;

Hello

=={{header|ooRexx}}==

This program is based on the shell script in the Bash Prompt HowTo at

http://www.tldp.org/, by Giles Orr. It uses object-oriented features of Open Object Rexx.

#!/usr/bin/rexx

/*.----------------------------------------------------------------------.*/

end

return

This is what the output looks like:

=={{header|PARI/GP}}==

=={{header|Pascal}}==

The CRT unit allows us to play with the console window, since at least the old Turbo Pascal days. We can clear the screen and specify colors by number or by name, among other tricks.

uses CRT;

TextBackground(White);

TextColor(Black);

=={{header|Perl}}==

red => "\e[1;31m",

green => "\e[1;32m",

say colored('MAGENTA', 'bold magenta');

say colored('CYAN ON RED', 'bold cyan on_red');

#ON WINDOWS USING POWERSHELL or WT.EXE

$ForegroundColor = {

print "White On Blue";

print $ClearColors;

=={{header|Phix}}==

BRIGHT_BLUE, BRIGHT_GREEN, BRIGHT_CYAN, BRIGHT_RED, BRIGHT_MAGENTA,

YELLOW, BRIGHT_WHITE

<span style="color: #000080;font-style:italic;">--

-- demo\rosetta\Coloured_text.exw

<span style="color: #7060A8;">printf</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"\n\npress enter to exit"</span><span style="color: #0000FF;">)</span>

<span style="color: #0000FF;">{}</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">wait_key</span><span style="color: #0000FF;">()</span>

Output matches PureBasic

=={{header|PicoLisp}}==

{{trans|UNIX Shell}}

(quit "This application requires a colour terminal") )

(call 'tput 'sgr0) # reset

=={{header|PowerShell}}==

foreach ($color in [enum]::GetValues([System.ConsoleColor])) {Write-Host "$color color." -ForegroundColor $color}

=={{header|PureBasic}}==

PrintN("Background color# 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15")

PrintN(" -----------------------------------------------")

Print(#CRLF$ + #CRLF$ + "Press ENTER to exit"): Input()

CloseConsole()

[[Image:terminal_control,colored_text.png]]

=={{header|Python}}==

{{libheader|colorama}}

from colorama import init, Fore, Back, Style

init(autoreset=True)

print Fore.MAGENTA + "Rosetta Code!"

print Back.YELLOW + Fore.BLUE + Style.BRIGHT + " " * 40 + " == Good Bye!"

This is a windows only solution without colorama

from ctypes import *

color(7)

raw_input("holding cmd")

=={{header|Racket}}==

{{trans|Tcl}}

#lang racket

(reset))

(displayln "Steady only"))

=={{header|Raku}}==

(formerly Perl 6)

say colored('RED ON WHITE', 'bold red on_white');

say colored('MAGENTA', 'bold magenta');

say colored('CYAN ON RED', 'bold cyan on_red');

=={{header|REXX}}==

<br><br>The program displays 16 lines, each of a different color with text stating the color of the text.

<br>(The black text, of course, is essentially invisible as the background is also black.)

parse arg !; if !all() then exit /*exit if documentation specified*/

if \!dos & \!os2 then exit /*if this isn't DOS, then exit. */

!rex:parse upper version !ver !vernum !verdate .;!brexx='BY'==!vernum;!kexx='KEXX'==!ver;!pcrexx='REXX/PERSONAL'==!ver|'REXX/PC'==!ver;!r4='REXX-R4'==!ver;!regina='REXX-REGINA'==left(!ver,11);!roo='REXX-ROO'==!ver;call !env;return

!sys:!cms=!sys=='CMS';!os2=!sys=='OS2';!tso=!sys=='TSO'|!sys=='MVS';!vse=!sys=='VSE';!dos=pos('DOS',!sys)\==0|pos('WIN',!sys)\==0|!sys=='CMD';call !rex;return

=={{header|Ring}}==

# Project : Terminal control/Coloured text

cc_print(forecolor | CC_BG_WHITE, "Rosetta Code" + nl)

next

Output image:

{{libheader|colored}}

require 'rubygems'

require 'colored'

puts 'white on green'.white_on_green

puts 'white on magenta'.white_on_magenta

[[File:Colored-text-ruby.png]]

=={{header|Rust}}==

const RESET: &str = "\x1B[0m";

println!("{}", RESET);

}

=={{header|Scala}}==

===Scala idiom (Functional Programming)===

{{Works with|Ubuntu|14.04}}

val ESC = "\u001B"

val (normal, bold, blink, black, white) =

println(white) // set foreground color to normal white

}

=={{header|Sidef}}==

{{trans|Raku}}

say a.colored('RED ON WHITE', 'bold red on_white');

say a.colored('MAGENTA', 'bold magenta');

say a.colored('CYAN ON RED', 'bold cyan on_red');

=={{header|Tcl}}==

This only works on Unix terminals as it delegates to the system <tt>tput</tt> command.

proc capability cap {expr {![catch {exec tput -S << $cap}]}}

proc colorterm {} {expr {[capability setaf] && [capability setab]}}

} else {

puts "Steady only"

=={{header|TPP}}==

This is red

--color green

This is magenta

--color yellow

=={{header|True BASIC}}==

SET COLOR n

PRINT "Rosetta Code"

NEXT n

=={{header|UNIX Shell}}==

# Check if the terminal supports colour

echo "Flashing text"

=={{header|Wren}}==

var colors = ["Black", "Red", "Green", "Yellow", "Blue", "Magenta", "Cyan", "White"]

System.write("\e[0m") // reset all attributes

System.write("\e[2J") // clear screen to background color

=={{header|XPL0}}==

PCs and by simulators, such as DOSBox, on other computers.

def Black, Blue, Green, Cyan, Red, Magenta, Brown, White, \attribute colors

Gray, LBlue, LGreen, LCyan, LRed, LMagenta, Yellow, BWhite; \EGA palette

Attrib(Cyan<<4+Black); \black on cyan

ChOut(6,^r);

=={{header|zkl}}==

{{trans|C}}

Terminal window on Linux, prints tables of colored glyphs.

println("\n\e[1m%s\e[m\n bg\t fg".fmt(title));

foreach b in ([40..48].chain([100..107])){

table("underline ( ESC[4m ), support varies", "4;");

table("blink ( ESC[5m )", "5;");

=={{header|ZX Spectrum Basic}}==

The ZX Spectrum will always output colour. However if the television is black and white, these will show as various levels of luminence corresponding to the numerical colour value.

20 READ c$: REM get our text for display

30 INK l: REM set the text colour

110 STOP

{{omit from|Axe}}