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From: Peter Hermann <ica2ph@alpha1.csv.ica.uni-stuttgart.de>
Subject: text_io append WinNT-oa+gnat
Date: 1998/09/30
Message-ID: <6uthfn$him$1@infosun2.rus.uni-stuttgart.de>#1/1
X-Deja-AN: 396356440
Organization: Comp.Center (RUS), U of Stuttgart, FRG
Keywords: text_io append dos unix
User-Agent: tin/pre-1.4-980117 (UNIX) (OSF1/V2.0 (alpha))
Newsgroups: comp.lang.ada
Date: 1998-09-30T00:00:00+00:00
List-Id: <comp.lang.ada>


A small piece of experience given to AdaTeamers,
who work with portable software on different platforms:

The following holds for both ObjectAda7.1.1(Aonix) and GNAT3.10p
under WindowsNT4:

I have a small application, which (text_io.open) opens an existing
text file in append-mode.
This works fine, when the data file has an origin of DOS or Windows.
If not, i.e. when the data file comes from an unix-system,
there are problems with an additional empty line near the appended line.

Result:
Unix text data files need a conversion to dos-format when APPEND is used.

I did this conversion by means of textpad--tools--Convert_to_DOS,
but I guess there must be many other tools to convert from unix
to dos file format, aren't there?
A simple edit step in the ms-dos-editor and a forced save does this too.

-- 
Peter Hermann Tel+49-711-685-3611 Fax3758 ica2ph@csv.ica.uni-stuttgart.de
Pfaffenwaldring 27 Raum 114, D-70569 Stuttgart Uni Computeranwendungen
http://www.csv.ica.uni-stuttgart.de/homes/ph/
Team Ada: "C'mon people let the world begin" (Paul McCartney)