Python 分割TXT文件成4K的TXT文件，python4k,# # # 为了避免截断

Python 分割TXT文件成4K的TXT文件，python4k,# # # 为了避免截断

# # # 为了避免截断中文字符 # # 文件要求是 unicode 编码 # # txt文件另存为对话框下面有下拉框，可选存 # # 储编码格式 # # # ########################## import os import struct filename = str(raw_input("Please enter an old file name: ")) filenamepre = str(raw_input("Please enter an new file name prefix: ")) count = 0filecount = 0maxcount = 20newfilename = repr(filecount) + '.txt'oldfile = open(filename,'rb') bFirst = Truewhile True:     s = oldfile.read(512*8 - 4) if not s:     exit() filecount = filecount + 1newfilename = filenamepre + repr(filecount).zfill(2) + '.txt'newfile = open(newfilename,'wb') if not bFirst:     be = 0XFEFF    newfile.write(struct.pack('H',be))     newfile.write(s) be = 0X000A000Dnewfile.write(struct.pack('I',be)) newfile.close() bFirst = Falseoldfile.close()#该片段来自于http://byrx.net