Hegwin.Me

In silence I feel full; With speech I sense emptiness.

Batch update file extensions in Linux

Linux批量修改文件扩展名

Linux Ubuntu CentOS System Command
Oct 09, 2012
A colleague of mine organized several thousand pdf files and needed to perform some batch operations. After uploading to the server, only to find that the extensions inside are uppercase .PDF, some are lowercase .pdf. This brings some trouble, because we have a program on the server that only recognizes the lowercase extensions; The colleague is working with Windows OS,...

How did I start running

我如何跑起步来

Run
Jun 29, 2012
A few days ago, I challenged myself to run a 10km. It took me 67 minutes to finish it, which may not be so good for regular runners, but it was my first time running that far. How did I start to run? Actually, the story began when I was an extremely fat person ...... I remember the last field...