#include <stdio.h> #include <stdlib.h> //功能: 合并2个源文件的内容,到一个新的文件中 int main(int a,char *argv[]){ if(a!=4){ printf("请输入3个文件路径:%s\n", argv[0]); exit(1); } FILE *fp1,*fp2,*fp3; fp1 = fopen(argv[1],"r"); if(fp1==NULL){ printf("source file1 open error"); exit(1); } fp2 = fopen(argv[2],"r"); if(fp1==NULL){ printf("source file2 open error"); exit(1); } fp3 = fopen(argv[3],"w"); if(fp1==NULL){ printf("target file3 open error"); exit(1); } //然后开始复制 char content[100] = {‘\0‘}; int i=0; int ch; while((ch=fgetc(fp1))!=EOF){ putchar(ch); //过滤空格;回车 tab if(ch==‘\n‘||ch==‘ ‘||ch==‘\t‘||ch==‘\r‘) continue; content[i++] = ch; } fclose(fp1); while((ch=fgetc(fp2))!=EOF){ putchar(ch); //过滤空格;回车 tab if(ch==‘\n‘||ch==‘ ‘||ch==‘\t‘||ch==‘\r‘) continue; content[i++] = ch; } fclose(fp2); //开始复制 int n = i; for(i=0;i<n;i++){ putchar(content[i]); fputc(content[i],fp3);//利用fputc写字符函数循环写入到fp3指针指向的文件 } putchar(‘\n‘); fclose(fp3); return 0; }