列出指定目錄下的指定類型文件

import sys

import os

import getopt

def DisplayFileAndPath(directory, pfix, pfixset=False):

try:

dirlist = os.listdir(os.path.abspath(directory))

except:

print 'Access denied or No directory: %s' %directory

sys.exit(2)

else:

for item in dirlist:

#??????????? print os.path.isdir(item)

new = directory+os.sep+item?? #very important: isdir must use the absolute path...

if os.path.isdir(new):

DisplayFileAndPath(new, pfix, pfixset)

else:

#postfix

if pfixset == True:

if os.path.splitext(item)[1][1:] == pfix:

print "%-30s\t\t%s" %(item, os.path.abspath(directory))

else:

print "%-30s\t\t%s" %(item, os.path.abspath(directory))

def usage():

print 'This program is to list all the files of same type in specified directory.\

If no arguments, it will list all the files in current directory.'

print '??? -c??? list all the files with specified postfix'

print '??? -d??? list all the files in specified folder'

def main():

path = os.path.dirname(sys.argv[0])

pfixset = False

postfix = []

try:

opts, args = getopt.getopt(sys.argv[1:], "c:d:")

except:

usage()

sys.exit(2)

for opt, arg in opts:

if opt == "-c":

postfix = arg

pfixset = True

elif opt == "-d":

path = os.path.abspath(arg)

else:

assert False

DisplayFileAndPath(path, postfix, pfixset)

if __name__=='__main__':

'''

-c??? list all the files with specified postfix

-d??? list all the files in specified folder

'''

main()

剛看python，學習筆記，錯誤之處，希望不吝賜教。

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