* Streams and files
@ 2002-10-14 7:39 Sim Con
2002-10-14 8:34 ` Sim Con
0 siblings, 1 reply; 4+ messages in thread
From: Sim Con @ 2002-10-14 7:39 UTC (permalink / raw)
Hello! I'd like to write in a file a record and print that file taking
the data's in the record form. I see that these things can be done in
ada using streams but i can't find on the net a good source for learn
how to use it. One problem i have is this:
Ada.Streams.Stream_Io.create(file,out_file,"db.txt");
Stream:=Ada.Streams.Stream_Io.Stream(File);
while not Ada.Streams.Stream_Io.end_of_file(file) loop
....
i receive a mode_error when it process the while line , any help? Thanx
in advance ^_^
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Streams and files
@ 2002-10-14 8:30 Grein, Christoph
0 siblings, 0 replies; 4+ messages in thread
From: Grein, Christoph @ 2002-10-14 8:30 UTC (permalink / raw)
> Ada.Streams.Stream_Io.create(file,out_file,"db.txt");
> Stream:=Ada.Streams.Stream_Io.Stream(File);
> while not Ada.Streams.Stream_Io.end_of_file(file) loop
End_of_File is valid for an in_file only.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Streams and files
2002-10-14 7:39 Sim Con
@ 2002-10-14 8:34 ` Sim Con
2002-10-15 2:02 ` Eric G. Miller
0 siblings, 1 reply; 4+ messages in thread
From: Sim Con @ 2002-10-14 8:34 UTC (permalink / raw)
little add-on question: can i open a file in out_mode and then use the
while end_of_file loop on that ? thanx!!
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* Re: Streams and files
2002-10-14 8:34 ` Sim Con
@ 2002-10-15 2:02 ` Eric G. Miller
0 siblings, 0 replies; 4+ messages in thread
From: Eric G. Miller @ 2002-10-15 2:02 UTC (permalink / raw)
In <49b752211ac11632e3f829848b2e826c.110780@mygate.mailgate.org>, Sim Con wrote:
> little add-on question: can i open a file in out_mode and then use the
> while end_of_file loop on that ? thanx!!
Ask yourself, "When would the End_Of_File condition be true on a file
opened for writing?"
^ permalink raw reply [flat|nested] 4+ messages in thread
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2002-10-14 8:30 Streams and files Grein, Christoph
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2002-10-14 7:39 Sim Con
2002-10-14 8:34 ` Sim Con
2002-10-15 2:02 ` Eric G. Miller
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