_NAME_
directoryExists

_PROTOTYPE_
int directoryExists(char *path);

_SHORT-DESCRIPTION_
Check on the existence of a directory

_DESCRIPTION_
directoryExists is used primarily by the put data routines to check if an
archive directory already exists (before createDirectory is called).
Returns 1 (true) if the directory does exist, and 0 (false) if not. 

_SHORT-CODE-SAMPLE_
char directoryPath[] = "/home/idunn1/rgr/dataStorage";
if (directoryExists(directoryPath)) printf("%s exists.\n", directoryPath);
else printf("%s does not exist.\n", directoryPath);

_INPUT_
* A pointer to the directory's path string.

_OUTPUT_
* 1 if the directory exists.
* 0 if the file does not exist (or if the directory is actually a file.)