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初次尝试python语言，感觉用着真舒服，简单明了，库函数一调用就OK了[python] view plain copy 在CODE上查看代码片派生到我的代码片import sys,os,os.path def file_replace(): path = sys.argv[1] old_data = sys.argv[2] new_data = sys.argv[3] if not os.path.exists(path): print 'file of dir does not exists!\n' return elif os.path.isdir(path): for root,dirs,files in os.walk(path): for fn in files: filepath = os.path.join(root,fn) f = open(filepath,'r+') line = f.readlines() f.seek(0) for s in line: f.write(s.replace(old_data,new_data)) f.close() elif os.path.isfile(path): f = open(path,'r+') line = f.readlines() f.seek(0) for s in line: f.write(s.replace(old_data,new_data)) f.close() else: print 'argv[1] illegal,not a file or dir\n' return if __name__=='__main__': file_replace()