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Newsgroups: comp.lang.ada
Date: Fri, 8 Jan 2016 14:08:46 -0800 (PST)
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Subject: Re: Re-write a file in Ada
From: Anh Vo <anhvofrcaus@gmail.com>
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Xref: news.eternal-september.org comp.lang.ada:29061
Date: 2016-01-08T14:08:46-08:00
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On Friday, January 8, 2016 at 1:22:57 PM UTC-8, Randy Brukardt wrote:
> <comicfanzine@gmail.com> wrote in message=20
> news:77e47c8b-7dcc-4e86-8f89-1f348cdf08dd@googlegroups.com...
> > Hello everybody ,
> >
> > Next , a working code which re-write entirely a file .
> >
> > I would like to modify it , doing the same thing exept that :
> >
> > Undounded_strings will be generate every time there is a next line .
> >
> > Then , several get_line will be done on those strings .
> >
> > And in final , put those modified strings in the file .
> >
> >
> > Anyone knows how to code that ?
>=20
> I'm sure most of us can code whatever we need, and the above seems trivia=
l.=20
> But most of us are also professional programmers, either working in Ada o=
r=20
> working in some other language and doing hobby projects in Ada. We're hap=
py=20
> to help, but being pros has two effects:
>=20
> (1) We're not interested in writing other people's programs for them. We'=
ll=20
> help people learn, but that's very different.
> (2) One of the first things that professional programmers learn is that t=
he=20
> hardest thing to do is to debug someone else's code.
>=20
> On top of which, you gave code (which is good), but you never explained (=
in=20
> detail!) what happens compared to what you expect. Given that, the only=
=20
> serious alternative is to spend a hour or more figuring out what you're=
=20
> trying to do and then create a program (from scratch) that does that. I=
=20
> suspect most everyone here has something better to do than that. (The onl=
y=20
> time I'd do this is if I find the problem is interesting, which certainly=
 is=20
> not the case here.)
>=20
> I, personally, rarely look at the code posted here; I provide help based =
on=20
> the error and then work backwards from there. Since you didn't provide th=
e=20
> error, and I'm surely not going try to load and compile your code, attemp=
t=20
> to figure out what data you are reading, whether the results I get make a=
ny=20
> sense, and so on.
>=20
> I'd suggest telling us what results you are getting from your code and wh=
at=20
> you are expecting, and perhaps someone will want to help you (but no=20
> promises).

I agreed 100% with Randy.=20

Tell me if I understood you correctly. You wanted to read text in your sour=
ce text (main.adb) one line at time. Then, they are concatenated into a sin=
gle line of text for entire file. For example, if there are two lines of te=
xt, as shown below, the result would be one line of text as shown in the bo=
ttom.

with Ada.Text_IO.Unbounded_IO ;  use Ada.Text_IO.Unbounded_IO ;
with Ada.Strings.Unbounded ;  use Ada.Strings.Unbounded ;

with Ada.Text_IO.Unbounded_IO ;  use Ada.Text_IO.Unbounded_IO ;with Ada.Str=
ings.Unbounded ;  use Ada.Strings.Unbounded ;

Anh Vo