Sample1


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

int main(int argc, char *argv[ ]){
 int i;
 char ch;
 FILE *FP;

 /* if argument is not exist, print error and stop program */
 if (argc <= 1){
  printf("Please input file name. Try again!\n");
  exit(1);
 }

 /* check of file existence */
 if ((FP = fopen(argv[1], "r")) == NULL){
  printf("File not found!\n");
  exit(1);
 }
 fclose(FP);
 printf("File Exist!\n");
}

 


2003年5月3日 13:06 更新