如下所示：
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#coding=utf-8 import sys, re, os def getDictList(dict): regx = '''[\w\~`\!\@\#\$\%\^\&\*\(\)\_\-\+\=\[\]\{\}\:\;\,\.\/\<\>\?]+''' with open(dict) as f: data = f.read() return re.findall(regx, data) def rmdp(dictList): return list(set(dictList)) def fileSave(dictRmdp, out): with open(out, 'a') as f: for line in dictRmdp: f.write(line + '\n') def main(): try: dict = sys.argv[1].strip() out = sys.argv[2].strip() except Exception, e: print 'error:', e me = os.path.basename(__file__) print 'usage: %s <input> <output>' %me print 'example: %s dict.txt dict_rmdp.txt' %me exit() dictList = getDictList(dict) dictRmdp = rmdp(dictList) fileSave(dictRmdp, out) if __name__ == '__main__': main() |
以上这篇python 高效去重复 支持GB级别大文件的示例代码就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/meinaozi/article/details/79326512
