Posted By: znouza (- Armored Pilsener -) on 'CZprogram'
Title:     Re: algoritmus pro prochazeni adresaru
Date:      Thu Jan 13 22:15:25 2000

#include <stdio.h>
#include <sys/types.h>
#include <dirent.h>
#include <sys/stat.h>
#include <sys/param.h>

void do_a_directory(char * pathname, int level)
{
   DIR * directory;                
   struct dirent * entry;          
   char * newname;                 
   struct stat statbuf;            
   long where;                     
                                   
   int retval, i;

   for( i = 0; i < level; i++)
      printf("   ");
   printf("%sn", pathname);

   directory = opendir(pathname);
   if(directory == NULL)
   {
      fprintf(stderr, "%s neni adresar !n", pathname);
      perror("Reason");
      return;
   }
   while( ( entry = readdir(directory)) != NULL)
   {
      /* pokud je to . nebo .., preskoc */
      if( strcmp(entry -> d_name, ".") == 0 ||
            strcmp(entry -> d_name, "..") == 0 )
         continue;
      newname = (char *) malloc(MAXPATHLEN);
      strcpy(newname, pathname);
      strcat(newname, "/");
      strcat(newname, entry -> d_name);
      /* kontrola - je to adresar ? */
      retval = stat(newname, &statbuf);
      if (retval == 0 &&  ( statbuf.st_mode & S_IFDIR))
      {
         where = telldir(directory);
         closedir(directory);
         do_a_directory(newname, level + 1);
         directory = opendir(pathname);
         if(directory == NULL)
         {
            fprintf(stderr, "Cannot open %sn", pathname);
            return;
          }
          seekdir(directory, where);
      }
      free(newname);
   }
   closedir(directory);
}

void main(int argc, char * argv[])
{
    if( argc < 2)
    {
        fprintf(stderr,"dtree adresarn");
        exit(1);
    }
    do_a_directory(argv[1], 0);
}
----
pak staci u toho testu testovat na soubory a delat s tim, co chces..

     _  _    /--------                      znouza
   ( o)(o ) /__________
      ||        | |
      ||        |_|           "The game of life is hard to play..."
      **      __|                              3T