Interesting Regular Expression Quiz
This is solved. Actually quite a few people immediately figured it out in Twitter and Plurk etc.
Something is very wrong here. What happened? Is sed buggy?
$ cat xxx.csv 113.941112252,22.2889218875 113.941063733,22.288921817 113.941160771,22.2889219579 $ sed 's/,/e,/; s/$/n/' xxx.csv n13.941112252e,22.2889218875 n13.941063733e,22.288921817 n13.941160771e,22.2889219579
If nobody can solve this mystery in this weekend, one more hint will be provided in the coming Tuesday.
Tagged as regular expression • Categorized as Software
DOS text file format
That’s it. There are others who also got the answer in Plurk. Looks like I failed to deceive anybody