std.file.fileType

[FreeSlave]

On Friday, 4 October 2013 at 08:06:24 UTC, simendsjo wrote:
> On Friday, 4 October 2013 at 07:39:36 UTC, FreeSlave wrote:
>> I was suggested to bring this idea up here.
>>
>> fileType should be a function for determining of file type.
>>
>> Example of usage:
>> Suppose application uses special directory for plugins (i.e. 
>> dynamic libraries). In graphics user interface it can be 
>> reflected like list of checkboxes that show which plugins are 
>> on and which are off. To implement this we should know that 
>> file actually represents dynamic library without trying to 
>> load it into executable memory. Yes, we can load and unload 
>> every file in place to check that it's valid dynamic library 
>> but it's some kind of hack.
>>
>> Another example is file manager. It has icons for the most 
>> common file types and usually relies on file extension to 
>> determine which icon should be used. But we can't always rely 
>> on extension. For example many games use .pk3 extension as 
>> alias to .zip, but file manager know nothing about it and 
>> shows these files like ones with unknown extension.
>>
>> So how do you think does phobos need these capabilities? May 
>> be you have other examples where this function can be useful.
>
> Seems a bit specific to be put in the standard library. If you 
> don't mind GPL, you can look at the source for file: 
> http://www.darwinsys.com/file/

Ok, I'll check it out.

I've just called to mind another use, the most important I think. 
It's for web services to prevent from uploading possibly harmful 
files (executables) or to check service support for given file.