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Date: Tue, 21 Oct 2014 22:57:38 -0700 (PDT)
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Subject: Assembling Complex Strings Containing Carriage Returns Prior to Using
 Ada.Text_IO.Put?
From: NiGHTS <nights@unku.us>
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Xref: news.eternal-september.org comp.lang.ada:22650
Date: 2014-10-21T22:57:38-07:00
List-Id: <comp.lang.ada>

I am converting some code from C to Ada which involves building a complex s=
tring containing '\n' characters which would eventually be displayed on the=
 standard output console using the printf() function.=20

I tried to copy the same strategy of building the string in Ada like this:


Complex_String : Ada.Strings.Unbounded.Unbounded_String;
EOL            : String :=3D ASCII.CR'Img;

...

Ada.Strings.Unbounded.Append (Complex_String,=20
    "Menu Title"                            & EOL &=20
    "-------------------------------------" & EOL
);

...

Ada.Text_Io.Put (=20
Ada.Strings.Unbounded.To_String( Complex_String ) );


Instead of breaking the line in the places where EOL has been inserted, it =
seems to show the letters "CR" in its place. Due to the complexity of the f=
inal displayed text, I cannot print the text to console before I have run t=
hrough the entire code which generates the text. The code I am converting i=
nvolves many "Complex_Strings" which are later printed in a specific order =
depending on certain criteria only known after the fact. Therefore I need t=
o assemble these generated strings along with the carriage returns before d=
isplaying them to the user.

The searches I performed on Google seem to be void of any hints on how to g=
et this working. I can't imagine that I am the only one with this requireme=
nt in Ada.


Thanks in advance for your advice.