Programming

#include <dirent.h>
#include <stdio.h>

/* pattern is like "*.c" */

int foo(char *path, char *pattern)
{      
   int found =0;
   DIR *dirp=opendir(path);
   struct dirent entry;
   struct dirent *dp=&entry;
   while(dp = readdir(dirp))
   {
      if((fnmatch(pattern, dp->d_name,0)) == 0)
      {
          printf("%s\n",dp->d_name);      
          found++;
      }
   }
   closedir(dirp);
   return found;
}          

int main()
{
   int files_found=foo("/home/jmcnama","*.c");
   {
      printf("Files found %d\n", files_found);
   }	
   return 0;
}

find . -name \* -print

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int copy_files(char *src_path, char *dest_path)
{
    FILE *in=NULL;
    int files_copied=0;
    char tmp[256]={0x0};
    int retval=0;
    char cmd[512]={0x0};
    
    snprintf(cmd, sizeof(cmd), "find %s -type f -print", src_path);
    in=popen(cmd, "r");
    if(in==NULL)
    {
         perror("Shell execution error");
         exit(EXIT_FAILURE);
    }
    while(fgets(tmp,sizeof(tmp),in)!=NULL)
    {
         char newcmd[512]={0x0};
         char *p=strchr(tmp,'\n');
         
         if(p!=NULL) *p=0x0;
         snprintf(newcmd, sizeof(newcmd), "cp %s  %s",tmp, dest_path);
         printf("%s\n", newcmd); /* see what you are doing */
         system(newcmd);
         files_copied++;
    }
    if(!feof(in))
    {
        perror("Input stream error");
        exit(EXIT_FAILURE);
    }
    retval=pclose(in);
    if(retval==EOF || retval==127)
    {
        perror("Shell invocation error");
        exit(EXIT_FAILURE);
    }
    return files_copied;
}
int main()
{
    printf("files copied: %d\n",
       copy_files( "/home/jmcnama/path0", "/home/jmcnama/path1"));
    return 0;   

}