Terminal control/Display an extended character

From Rosetta Code
Terminal control/Display an extended character is a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page.

The task is to display an extended (non ascii) character onto the terminal. For this task, we will display a £ (GBP currency sign).

Ada

<lang ada>with Ada.Text_IO; use Ada.Text_IO; with Ada.Characters.Latin_1;

procedure Pound is begin 

  Put(Ada.Characters.Latin_1.Pound_Sign);

end Pound;</lang>

Ada allows Unicode characters in the source, and provides output functions on "wide characters".

<lang ada>with Ada.Wide_Text_IO; use Ada.Wide_Text_IO;

procedure Unicode is begin 

  Put("札幌");

end Unicode;</lang>

BASIC

ZX Spectrum Basic

The ZX Spectrum uses a modified ascii character set that has a uk pound sign at character number 96:

<lang basic>10 PRINT CHR$(96);</lang>

J

<lang J> '£' £ 

  '札幌'

札幌</lang>

Locomotive Basic

<lang locobasic>10 PRINT CHR$(163)</lang>

PicoLisp

<lang PicoLisp>(prinl (char 26413) (char 24140)) # Sapporo </lang> Output: 

札幌

PureBasic

<lang PureBasic>Print(Chr(163))</lang> 

£

Tcl

Provided the system encoding has a “£” symbol in it, this works: <lang tcl>puts \u00a3</lang> Tcl can output all unicode characters in the BMP, but only if the consumer of the output (terminal, etc.) is able to understand those characters in its current encoding will the output actually make sense. Strictly, this is not a limitation of Tcl but of the environment in which it is placed.

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