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files

 
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files, opening and printing
WannabeNerdy
3 Oct, 2007 - 12:25 PM
Post #1

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Just want to make sure I am doing this right. I want to open a file already created by the user, open it and then print it on the screen. I'm not really certain as to what to put in the fprintf because the text file is (of coarse) all strings. There's whitespace, and different lines to think about, and by now i'm just confuzzled.

CODE

#include <stdio.h>
#include <stdlib.h>


main ()
{
      
    FILE *fp;
    char file[100];
    
    printf ("Enter a filename to load: ");
    scanf ("%s" , &file);
    
    fp = fopen(file, "r");
    
    fprintf("          //just type the file name?
    
    system ("PAUSE");
    return;
}
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no2pencil
RE: Files
3 Oct, 2007 - 12:28 PM
Post #2

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As per :http://www.cplusplus.com/reference/clibrar...io/fprintf.html
CODE

/* fprintf example */
#include <stdio.h>

int main ()
{
   FILE * pFile;
   int n;
   char name [100];

   pFile = fopen ("myfile.txt","w");
   for (n=0; n<3; n++)
   {
     puts ("please, enter a name: ");
     gets (name);
     fprintf (pFile, "Name %d [%-10.10s]\n",n,name);
   }
   fclose (pFile);

   return 0;
}
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WannabeNerdy
RE: Files
3 Oct, 2007 - 02:48 PM
Post #3

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That bit of code is pretty sweet. I would have never thought of the last part.
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