"""
wh: a 'where' command that actually is useful on Win32
It understands the PATH and PATHEXT environment variables.

Ned Batchelder, http://www.nedbatchelder.com, 10/21/2001    
"""

import os, os.path, sys

path = filter(None, os.environ["PATH"].split(";"))
pathext = filter(None, os.environ["PATHEXT"].split(";"))

# The command name we are looking for
cmdName = sys.argv[1]

# Is the command name really a file name?
if cmdName.find('.') >= 0:
    # Fake it by making pathext a list of one empty string.
    pathext = ['']

# Loop over the directories on the path, looking for the file.

for d in path:
    for e in pathext:
        filePath = os.path.join(d, cmdName + e)
        if os.path.exists(filePath):
            print filePath

#end.