python 字符串处理

</pre><p></p><p></p><p>python 这种轻量级的语言在进行字符串处理时有其独到的好处  方便快捷</p><p></p><p></p><pre code_snippet_id="327860" snippet_file_name="blog_20140505_1_2818298" name="code" class="python">def count_wc( filename ):    return int(os.popen('wc -l %s'%filename).read().split()[0])fp = open("view.txt")total=count_wc( view.txt )mid_list = [0]*totalfor i in range(0,total):view = fp.readline()        index=string.find(view,"mid")        length=view[index+4]               length= string.atoi(length)         mid_list[i]=view[index+6:index+6+length)