"""Searches a path for a specified file.
"""
__author__ = "Bill McNeill <billmcn@speakeasy.net>"
__version__ = "1.0"
import sys
import os
import os.path
import glob
def help():
print """\
where (Environment) Filespec
Searches the paths specified in Environment for all files matching Filespec.
If Environment is not specified, the system PATH is used.\
"""
if len(sys.argv) == 3:
paths = os.environ[sys.argv[1]]
file = sys.argv[2]
elif len(sys.argv) == 2:
paths = os.environ["PATH"]
file = sys.argv[1]
else:
help()
sys.exit(0)
for path in paths.split(";"):
for match in glob.glob(os.path.join(path, file)):
print match
