printdir code

以下為 linux 下執行的 printfdir，目前需在 main( )中輸入你要搜尋的根目錄，

未來會改進為可直接在 terminal 下可直接輸入後搜尋、輸出目錄

#include<unistd.h>
#include<stdio.h>
#include<dirent.h>
#include<string.h>
#include<sys/stat.h>
#include<stdlib.h>
void printdir(char *dir,int depth)
{
    DIR *dp;
    struct dirent *entry;
    struct stat statbuf;
    
    if((dp=opendir(dir))==NULL){
    fprintf(stderr,"cannot open directory:%s\n",dir);
    return ;
    }
    chdir(dir);
    while((entry=readdir(dp))!=NULL){
    lstat(entry->d_name,&statbuf);
    if(S_ISDIR(statbuf.st_mode)){
        if(strcmp(".",entry->d_name)==0||
           strcmp("..",entry->d_name)==0)
        continue;
        printf("%*s%s/\n",depth,"",entry->d_name);
        printdir(entry->d_name,depth+4);
        }
    else printf("%*s%s\n",depth,"",entry->d_name);
    }
    chdir("..");
    closedir(dp);
}

int main()
{
    printf("Diretory scan of /home:\n");
    printdir("/tmp",0);
    printf("done.\n");
    exit (0);
}