Please tell me how to execute python file in Ubuntu by double

[Steve D'Aprano]

On Fri, 15 Dec 2017 09:48 am, Gregory Ewing wrote:

> Rhodri James wrote:
>> Even then there was RiscOS, which divorced file names from file types
>> entirely.
> 
> As did classic MacOS.

Classic MacOS associated two such pieces of metadata with each file: the
creator and type. Regardless of the optional file type extension, you could
associate different creators with different files of the same type:

https://en.wikipedia.org/wiki/Creator_code


> I believe MacOSX also has the ability to store a file type
> as metadata, but it doesn't seem to be used much.

They are still supported (-ish) by OS X, but have been superseded by Uniform
Type Identifiers.


https://en.wikipedia.org/wiki/Uniform_Type_Identifier



-- 
Steve
“Cheer up,” they said, “things could be worse.” So I cheered up, and sure
enough, things got worse.