Sample2


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

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

　/* if not file name and string stop program */
　if (argc <= 2){
　　printf("Please input file name and string. Try again!\n");
　　exit(1);
　}

　/* if file exists, stop program */
　if ((FP = fopen(argv[1], "r")) != NULL){
　　printf("File Exist!\n");
　　fclose(FP);
　　exit(1);
　}

　/* write string to the file */
　FP = fopen(argv[1], "w");
　fprintf(FP, argv[2]);
　while(scanf("%c", &ch) != EOF){ /* if you find EOF character, exit this loop */

  }
　fclose(FP);
}


2003年5月3日 13:12 更新