# linux下实现一个文件夹遍历，遍历后拼接文件为字符串，以'.'为分隔符

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <string.h>
#include <dirent.h>
#include <unistd.h>
void strrpc(char *str1,char oldstr,char newstr){
	int i=0;
	int len=strlen(str1);
	for(i=0;i<len;i++){
		if(str1[i]==oldstr)
		str1[i]=newstr;
	}
}
int readFileList(char *basePath)
{
    DIR *dir;
    struct dirent *ptr;
    char base[1000];
    if ((dir=opendir(basePath)) == NULL)
    {
        perror("Open dir error...");
        exit(1);
    }
    while ((ptr=readdir(dir)) != NULL)
    {
        if(strcmp(ptr->d_name,".")==0 || strcmp(ptr->d_name,"..")==0)    ///current dir OR parrent dir
            continue;
        else if(ptr->d_type == 8||ptr->d_type==10){
        	memset(str,'\0',sizeof(str));
        	strcpy(str,basePath);
        	strrpc(str,'/','.');
            printf("d_name:%s/%s\n",basePath,ptr->d_name);
        }else if(ptr->d_type == 4){
            memset(base,'\0',sizeof(base));
            strcpy(base,basePath);
            strcat(base,"/");
            strcat(base,ptr->d_name);
            readFileList(base);
        }
    }
    closedir(dir);
    return 1;
}
int main(void)
{
    DIR *dir;
    char basePath[1000];
    struct dirent *ptr;
    ///get the current absoulte path
    memset(basePath,'\0',sizeof(basePath));
    getcwd(basePath, 999);
    printf("the current dir is : %s\n",basePath);
    ///get the file list
    readFileList(basePath);
    return 0;
}