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Hello world/Line printer: Difference between revisions
Adding Ada example
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'''Note:''' A line printer is not the same as standard output. A [[wp:line printer|line printer]] was an older-style printer which prints one line at a time to a continuous ream of paper. With some systems, a line printer can be any device attached to an appropriate port (such as a parallel port).
=={{header|Ada}}==
===[[Unix]]===
Assuming that the line printer is attached to /dev/lp0
<lang Ada>
with Ada.Text_IO; use Ada.Text_IO;
procedure Print_Line is
Printer : File_Type;
begin
begin
Open (Printer, Mode => Out_File, Name => "/dev/lp0");
exception
when others =>
Put_Line ("Unable to open printer.");
return;
end;
Set_Output (Printer);
Put_Line ("Hello World!");
Close (Printer);
end Print_Line;
</lang>
=={{header|Applesoft BASIC}}==
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