Results from is_dir() not consistent with documentation (?)

> Explain 'weird' and someone may be able to help. Sorry, I thought I did that in the first post... (from initial post) >I'm writing a script, part of which traverses a directory tree by opening a >directory with opendir(), getting file handles, testing them to see if they >are directories with is_dir(), and if they are then it opens them using >opendir(), and soforth. It;'s a recursive function, and it seems to work >nicely on the linux server. > >The trouble starts when trying to run it on the IIS server. Rather than >have to rewrite the entire script and copy everything across to the other >server, I mounted the NTFS share to the linux server using mount -t smb >(etc...). > >The unusual thing is that from here, is_dir() only seems to work on a >percentage of the files. The documentation suggests that it returns a >boolean, however in practise it is returning 1's or 0's for some files, but >is returning nothing at all for others...! So some of the directories are >returning 1, others nothing. Some of the non-directory files are returning >0, others nothing. Cheers, Jason