原程序如下:
代码: 全选
#include <stdio.h>
#include <sys/stat.h>
#include <string.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <sys/types.h>
void printdir(char *dir,int depth)
{
DIR *dp;
struct dirent *entry;
struct stat statbuf;
long int curdir;
if(!(dp=opendir(dir)))
{
fprintf(stderr,"cannot open directory: %s\n",dir);
return;
}
chdir(dir);
while(entry=readdir(dp))
{
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+strlen(entry->d_name)+4);
}
else
printf("%*s|-%s\n",depth,"",entry->d_name);
}
chdir("..");
closedir(dp);
}
int main(int argc,char** argv)
{
char *topdir=".";
if(argc>=2)
topdir=argv[1];
printdir(topdir,0);
return 0;
}