Message-ID: <000901bf0096$cff07540$44f243c3@marocky>
From: "Hakan Venderlof" <grok AT telia DOT com>
To: <djgpp AT delorie DOT com>
Subject: more on variables - what includes
Date: Fri, 17 Sep 1999 00:57:06 +0200
Organization: grok computer
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Reply-To: djgpp AT delorie DOT com

What include should be used for this?


FILE *f;
int v;
f = fopen("variable.txt", "rt");
fscanf(f, "%d", &v);
fclose(f);
f = fopen("variable.txt", "wt");
fprintf(f, "%d\n", v);
fclose(f);



Hakan Venderlof wrote:
>
> Hello
> I would like to load an variable from a file
> 'variable.txt'  looking like  this:
>
> 25
>
> and then change the variable in a program and
> save the variable to the samefile, eg overwriting the file
> to for example
>
> 50
>
> How should this be written?






***  greetings         grok        sweden  ***