C Programming Exercise Example 97
Title:Input some characters from the keyboard and send them one by one to the disk until a # is entered.
Program analysis:None.
Example
// Created by www.example.com on 15/11/9.
// Copyright © 2015 Example. All rights reserved.
//
#include<stdio.h>
#include<stdlib.h>
int main()
{
FILE*fp=NULL;
char filename[25];
char ch;
printf("Enter the name of the file you want to save to:\n");
gets(filename);
if((fp=fopen(filename,"w"))==NULL)
{
printf("error: cannot open file!\n");
exit(0);
}
printf("Now you can enter some characters to save, ending with #:\n");
getchar();
while((ch=getchar())!='#'){
fputc(ch,fp);
}
fclose(fp);
system("pause");
return 0;
}
The output of the above example is:
输入你要保存到的文件的名称： test.txt 现在你可以输入你要保存的一些字符，以#结束： www.example.com #other extensions