sort貌似比hash慢... 2009/11/6 Ruixian Zhu <[email protected]>
> sort file.txt| uniq > file1.txt > > > 2009/11/6 Michael Zeng <[email protected]> > >> 是啊,最快的就是 sort -u 了 >> >> >> >> >> 2009/11/6 Michael Zeng <[email protected]> >> >> use List::MoreUtils qw/ uniq / ; >>> >>> my @data = <F> ; >>> >>> my @unique = uniq @data; >>> >>> >>> >>> >>> >>> 2009/11/6 linhy <[email protected]> >>> >>>> 将文件中重复的行,替换,只保留一行.我的思路是,对文件逐行与其它行分析,然后写入到另一个文件.但感觉这样效率不高。请问各味大虾有没有好一点的思 >>>> >>>> 路或是方法?谢谢先 >>>> >>>> -- >>>> Yours Sincerely >>>> Zeng Hong >>>> >>>> >>>> > > > > --~--~---------~--~----~------------~-------~--~----~ 您收到此信息是由于您订阅了 Google 论坛“PerlChina Mongers 讨论组”论坛。 要在此论坛发帖,请发电子邮件到 [email protected] 要退订此论坛,请发邮件至 [email protected] 更多选项,请通过 http://groups.google.com/group/perlchina?hl=zh-CN 访问该论坛 -~----------~----~----~----~------~----~------~--~---
