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From: "David C. Hoos, Sr." <david.c.hoos.sr@ada95.com>
Newsgroups: comp.lang.ada
Subject: Re: Output to Printer Problems
Date: Sun, 9 Jun 2002 14:31:01 -0500
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Date: 2002-06-09T14:31:01-05:00


----- Original Message ----- 
From: "Pheet" <a.pheet@NOTINNEDMEATntlworld.com>
Newsgroups: comp.lang.ada
To: <comp.lang.ada@ada.eu.org>
Sent: June 09, 2002 10:29 AM
Subject: Output to Printer Problems


> Hiya,
> 
> I am having problems printing with ada. I'm using GNAT 3.13p
> (GCC 2.8.1) on a Win98 box (yes, I know, don't ask).
> 
> I'm trying code along these lines:
> 
> with Text_IO;
> use Text_io;
> 
> ...
> 
> Procedure Print is
> File:FIle_Type;
> Begin
>         open (File, Out_Mode, "LPT1");
>         put(File, "Hello Printer!");
>         close(File);
> ...
> end print;
>
Three problems I can see with your program, viz.:

  1. There is no file mode in Text_IO called "Out_Mode";
     Perhaps you meant "Out_File."

  2. An file of mode Out_File cannot be opened -- it can
     only be created.  Only files of In_File, and Append_File
     modes can be opened, and printers generally don't accept
     being opened in Append_File mode.

  3. You probably will need to add a line "New_Page (File);"
     in order to get the printer to eject the page.