r4d 3.2.0-beta.1

Text oriented macro processor
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Return a platform specific path separator

- On windows, this returns '\\'
- On non windows, this returns '/'

# Note

If you want to join a file path consider using a 'path' macro. 
If you want to get a file name use a 'name' macro.
If you want to get a parent path name use a 'parent' macro.

This macro is usable in a situation where a path is given by input and it has
to be processed into a platform specific path dynamically without knowing which
platform the processor resides in.

# Demo

$PS() % Either '\\' or '/'

```
$static(win_path,0)                      % Windows split path container
$static(unix_path,0)                     % unix split path container
$static(given_path,a/b/c/d)              % user given path
$static(s_path,$split(\\,$given_path())) % Split path, Use two escapes

$ifelse=(
    $eq!(0,$len($s_path())),
    $path($PS(),$s_path()),
    $regex(/,$given_path(),$PS())
)
===
% rad test --comment any | rad --stream-chunk comp
/a/b/c/d
```

# Example

$assert(c,$cut($PS(),-1,a/b/c))