How to check filetype in golang (equlvalent of filetype cmd in linux )

[Rahul R]

Hey guys ,

What is the easiest way to check the filetypes using golang. I shud be able to know, whether its a regualr ascii file or berkely db file or executable.  similar to filetype command in golang.  How do I check the same ?

Thanks,

./Rahul 

[Andy Balholm]

You could use the os/exec package to run your system's "file" command.

Or you could find the C source of the "file" command and port it to Go. I think it uses a library called libmagic. Maybe you could link to that with CGO.

Or you could look on godoc.org for Go bindings for libmagic. I think there are at least two. I also see a less exhaustive pure-Go library that uses the http package's content sniffing.

[Ibrahim M. Ghazal]

http://golang.org/pkg/net/http/#DetectContentType