import os
from glob import glob #用到了這個模塊
def search_file(pattern, search_path=os.environ['PATH'], pathsep=os.pathsep):
??? for path in search_path.split(os.pathsep):
??????? for match in glob(os.path.join(path, pattern)):
??????????? yield match
if __name__ == '__main__':
??? import sys
??? if len(sys.argv)<2? or sys.argv[1].startswith('-'):#sys.argv[0]是當前路徑,1開始是后面的參數
??????? print 'Use: %s ' % sys.argv[0]
??????? sys.exit(1)
??? if len(sys.argv)>2:
??????? matchs = list(search_file(sys.argv[1],sys.argv[2]))
??? else:
??????? matchs = list(search_file(sys.argv[1]))
??? print '%d match' % len(matchs)
??? for match in matchs:
??????? print match

import os,optparse
#1:精確查找
def search_file(filename, search_path=os.environ['PATH'], pathsep=os.pathsep):#os.pathsep是分隔符';'
??? for path in search_path.split(os.pathsep):
??????? candidate = os.path.join(path, filename)#預選路徑
??????? if os.path.isfile(candidate):
??????????? yield os.path.abspath(candidate) #用生成器可以方便控制返回的數據.可以使用.next()等方法只返回下一個子項
def parse_args():#幫助提示
??? usage = u'''這是一個查找文件夾路徑中是否有文件指定文件的腳本,
第一個參數是要找的文件名，第二個是路徑'''
??? parser = optparse.OptionParser(usage)
??? help = u'要查找的文件名字'
??? parser.add_option('--filename', help=help)#type='int',
??? help = u'查找的路徑多個路徑以;分隔'
??? parser.add_option('--path', help=help, default='e:')
??? options, args = parser.parse_args()
??? return options, args
if __name__ == '__main__':
??? options, args = parse_args()
??? find_file = list(search_file(args[0], args[1]))
??? if find_file:
??????? for file in find_file:
??????????? print "Found File at %s" % file
??? else:
??????? print "Not Found"