python文件(夹)查找字符串，,# -*- coding

python文件(夹)查找字符串，,# -*- coding

# -*- coding: GBK -*  import os,sys,re findstr='';def func_findstr(filepath):    thefile=open(filepath, 'rb')    while True:        buffer = thefile.read(104857600)        if not buffer:            break        for match in re.findall('\\n.*'+findstr+'.*\\n',buffer):             print "Found in "+filepath+" %s" % match            print ''    thefile.close()def func_walks(path):    for root, dirs, files in os.walk(path):        for f in files:            f = os.path.join(root, f)            func_findstr(f)def filterstr(str):    str = str.replace('.','\\.').replace('[','\\[').replace(']','\\]').replace('$','\\$').replace('\\\\','\\\\\\\\')    return str.replace('(','\\(').replace(')','\\)').replace('{','\\{').replace('}','\\}').replace('^','\\^')if __name__ == '__main__':    if len(sys.argv)>=4 and (sys.argv[1]=='-f' or sys.argv[1]=='-d'):        if sys.argv[1]=='-f' and os.path.isfile(sys.argv[2]):            findstr = filterstr(sys.argv[3])            func_findstr(sys.argv[2])        elif sys.argv[1]=='-d' and os.path.exists(sys.argv[2]):            findstr = filterstr(sys.argv[3])            func_walks(sys.argv[2])        else:            print '-- 参数错误'    elif len(sys.argv)==2:        findstr = filterstr(sys.argv[1])        print func_walks(os.getcwd())    else:        print '-- 参数说明 ：'        print '    1. '+sys.argv[0]+ ' -f' +' filename "string" \\t在指定文件查找字符'        print '    2. '+sys.argv[0]+ ' -d' +' directory "string" \\t在指定目录(包括子目录)下的所有文件查找字符串'        print '    3. '+sys.argv[0]+ ' "string" \\t在当前目录(包括子目录)下的所有文件查找字符串'#该片段来自于http://byrx.net