Le 31/07/2020 à 16:40, jr a écrit :
> hi,
> 
> "Bald Eagle" <cre### [at] netscapenet> wrote:
>> ...
>> Is it possible, and is there a security issue related to providing a means to
>> create a subdirectory in a write-permitted directory?
>>
>> #write creates a file.  Can we create a directory by a similar means?
>> Just something to think about.
> 
> have been thinking about (wishing for) for a 'system()' type function for a long
> time.  but reading the above made me realise that a modified '#fopen' which
> supports command pipelines, aided by a new OPEN_TYPE for r/w access could do
> "everything" anyway.  then we could write, eg:
> 
> #fopen FP "| program" rdwr
> 
> to communicate with 'program', making creating a directory, all sorts of stuff,
> easy and convenient.  for instance write some calculated parameters to 'program'
> and read back new, derived values.
> 
>


"Danger Will Robinson"

This could lead to some system corruption... A reason that there is
already io-restrictions: to protect the innocent.


You already have "shell-out" capability, with pre & post, scene & frame
level, so grouping actions should be doable to have all you need.

http://wiki.povray.org/content/Reference:Shell_Command_Options

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