hope this easy

i am importing images from a directory and sub dirs into our software for processing.
my code is as follows
it all works great with no problems.
but i would like to be able to sort the directory by file date.
is there a call to do this?   or
will i have to create arrays and sort the array?

thank you.


int hDir = _findfirsti64(getimgdir,&dirinfo);
  wsprintf(getname, "%s\\*.tif",Td.ImgDir);
  int dirloop = 0;
  if(hDir>-1){
    do{
      int hFile = _findfirsti64(getname,&fileinfo );
      int ret = 0;
      if(hFile>-1){
        do{
          if(strlen(dirinfo.name)<3 && dirloop==0){////////////////check root for tiffs
            wsprintf(getimage.getimg,"%s\\%s",Td.ImgDir,fileinfo.name);
          }else{
            wsprintf(getimage.getimg,"%s\\%s\\%s",Td.ImgDir,dirinfo.name,fileinfo.name);
          }
         /////////////////////////////do calls for processing images                  
         ret = _findnexti64(hFile, &fileinfo );
        }while(ret ==0);
      }
/////////////////////////////find next folder and loop again.
            
LVL 2
jafrazeeAsked:
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Karl Heinz KremerCommented:
I would read the file names into a map<time_t, string>, with the key being the time the file was last modified. You can get this time by calling _stat on the file:


#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <map>

using namespace std;

int result;
struct _stat buf;
map<time_t, string> timeMap;
...

   result = _stat( "your_file_name", &buf );

   if (result != 0 )
   {
      ... handle the error ...
   }
   else
   {
      // add to the map:
      timeMap[&buf.st_atime] = your_file_name;
   }
}

Once all the data is collected, you just iterate over the map and have the file names in the order they were modified. If you need the reverse order, just use a reverse_iterator.
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tinchosCommented:
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