OpenEuphoria

Re: File input.output

• Posted by bobspringett <bobspringett at WANADOO.FR> Aug 28, 2000
• 512 views

Thanks very much Irv,
Regards
Bob
----- Original Message -----
From: irv <irv at ELLIJAY.COM>
To: <EUPHORIA at LISTSERV.MUOHIO.EDU>
Sent: Sunday, August 27, 2000 9:42 PM
Subject: Re: File input.output


> On Sun, 27 Aug 2000, BOB wrote:
> > I would like to be able to SAVE a sequence of  floating point numbers(say a
> > few hundred) to a file in one PUTS and then retrieve
> > that data from file back into a sequence in one GETS.
> > Looking at the documentation of GETS it would seem that I can't.
> > Secondly will I be able to look at what's in the file using  Explorer to see
> > if I have filed the right information.
> > Really all I'm trying to do is to SAVE and LOAD a 'sequential file'
> > reasonably quickly.
> > Regards
>
> It looks like you've gotten several answers, but based on your requirements,
> I also to suggest  using print() and get().  It's quick and easy, and hard ato
> break.
>
> --  tested code:
> include get.e
> object numbers
>  numbers = {1.23, 3.14159, 6, 8, -23.5, 12.99}
>
> atom fn
> fn = open("my.dat","w")
> print(fn, numbers)
> close(fn)
>
> fn = open("my.dat","r")
> numbers = get(fn)
> close(fn)
> if numbers[1] = GET_SUCCESS then
>    numbers = numbers[2]
> else
>   puts(1,"ERROR READING FILE")
> end if
> ? numbers
>
> If you plan to store lots of strings in your files, you really need to
> downloading Gabriel Boehme's PRINT.E - this small library causes the print()
> function to write text in plain, human readable form, while still being
> readable by Euphoria's get() function.
>
> I have been using this method for many months in several commercial programs
> without any  problems These programs typically read (modify) and write files
> of
> about half a meg hundreds of times each day.
>
> By the way, these files will be plain text, so probably NotePad or similar
> would be just fine for viewing them.
>
> Regards,
> Irv