向东博客 专注WEB应用 构架之美 --- 构架之美，在于尽态极妍 | 应用之美，在于药到病除|赢在IT，Playin' with IT,Focus on Killer Application,Marketing Meets Technology.

#coding=utf-8 import sys import os import xlrd  # 导入库 for i in range(len(sys.argv)):     print ("sys.argv[%d] = %s" % (i, sys.argv[i]))

python excelsearchKeyList.py k.txt
sys.argv[0] = excelsearchKeyList.py
sys.argv[1] = k.txt

二）判断字符为空：
#coding=utf-8 import sys import os import xlrd  # 导入库 # 打开文件 if len(sys.argv) >= 2:   file = open(sys.argv[1])   # file = open("/Users/jackXiang/pylearning/k.txt") else:   file = open("/Users/jackXiang/pylearning/cctvhyjykeywordslist.txt") for line in file:       line = line.replace('\r','').replace('\n','').replace('\t','')       if line.strip()=='':         print ('line is null')       else:         print(line)

python excelsearchKeyList.py  k.txt
原创视频
line is null
line is null



三）判断是否传入新的参数：
# 打开文件 if len(sys.argv) >= 2:   print(sys.argv[1])   file = open(sys.argv[1]) else:   file = open("/Users/jackXiang/pylearning/cctvhyjykeywordslist.txt") for line in file:       print(line) os._exit(-1) # os._exit(-1) sys.exit()

来自：https://blog.csdn.net/index20001/article/details/74294945#:~:text=Python%E7%A8%8B%E5%BA%8F%E6%9C%89%E4%B8%A4%E7%A7%8D,%E8%A7%A3%E9%87%8A%E5%99%A8%E5%B0%86%E4%BC%9A%E9%80%80%E5%87%BA%E3%80%82

作者：jackxiang@向东博客 专注WEB应用 构架之美 --- 构架之美，在于尽态极妍 | 应用之美，在于药到病除
地址：http://jackxiang.com/post/10869/
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