Executing a D script without an [extension in the filename] leads to an error

[Cym13]

On Friday, 1 March 2019 at 09:00:43 UTC, BoQsc wrote:
> I've installed D compiler, and when i try to run a D script 
> with filename without an extension/file type named: program
>
> via: ./program
>
> I'm getting and error:
>
> vaidas at SATELLITE-L855:~/Desktop$ ./program
> Error: module `program` is in file './program.d' which cannot 
> be read
> import path[0] = .
> import path[1] = /snap/dmd/49/bin/../import/druntime
> import path[2] = /snap/dmd/49/bin/../import/phobos
> Failed: ["/snap/dmd/49/bin/dmd", "-v", "-o-", "./program.d", 
> "-I."]
>
>
> Now, when I rename my scirpt file : program
> To: program.d
>
> and execute it by: ./program.d
>
> I no longer have an error.
>
> Is this an intended behaviour?

In such questions it's important to show your shebang since 
that's what runs your script.

Given your symptoms I guess you're using the following:

#!/bin/env rdmd

And indeed rdmd won't call your script if it doesn't have the 
proper extension.

Try using this instead:

#!/bin/dmd -run