getting the folder/location of a file from string

[impo]

I just used OpenSaveDialog, and got a string back. What's the simplest way of getting the path/location/folder of that file?

[Gintaras]

Macro Macro1687

Code:

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str s="c:\a\b\c.d"
str path.getpath(s "")
out path

[impo]

thanks so much,
I don't use QM often, so it's hard for me to tell whether a function is part of it or needs to be coded