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HANDLING OF INTEGER DATA FILES

Posted By: Finley Evans     Category: C Programming     Views: 7498

HANDLING OF INTEGER DATA FILES.

Code for HANDLING OF INTEGER DATA FILES in C Programming

   #include  <stdio.h>                                               
   main()                                                            
   {                                                                 
       FILE  *f1, *f2, *f3;                                          
       int   number, i;                                              
                                                                     
       printf("Contents of DATA file\n\n");                          
       f1 = fopen("DATA", "w");      /* Create DATA file    */
for(i = 1; i <= 30; i++) { scanf("%d", &number); if(number == -1) break; putw(number,f1); } fclose(f1); f1 = fopen("DATA", "r"); f2 = fopen("ODD", "w"); f3 = fopen("EVEN", "w"); /* Read from DATA file */
while((number = getw(f1)) != EOF) { if(number %2 == 0) putw(number, f3); /* Write to EVEN file */
else putw(number, f2); /* Write to ODD file */
} fclose(f1); fclose(f2); fclose(f3); f2 = fopen("ODD","r"); f3 = fopen("EVEN", "r"); printf("\n\nContents of ODD file\n\n"); while((number = getw(f2)) != EOF) printf("%4d", number); printf("\n\nContents of EVEN file\n\n"); while((number = getw(f3)) != EOF) printf("%4d", number); fclose(f2); fclose(f3); } Output Contents of DATA file 111 222 333 444 555 666 777 888 999 000 121 232 343 454 565 -1 Contents of ODD file 111 333 555 777 999 121 343 565 Contents of EVEN file 222 444 666 888 0 232 454
  
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Finley Evans
Finley Evans author of HANDLING OF INTEGER DATA FILES is from London, United Kingdom.
 
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