Forums > MaxMSP

(folder) vs (prefix) and autopopulate to fill a umenu?

Aug 31 2010 | 5:21 pm

I’ve always been using a (folder) feeding into a (umenu) to make a list of files, however, I notice that sending a (prefix) message + enabling the autopopulate attribute does the same thing.

Are there any pros or cons to each approach?

Aug 31 2010 | 7:49 pm

If I remember well, with the prefix method, the middle outlet of the umenu will give you the full file’s path while the folder method will only give you the file name.

Sep 01 2010 | 10:46 pm

on a related note; we’ve been having a hell of a problematic time trying to get this to work on a osx-based system; umenu doesn’t populate properly, on either 5.1.4 or 5.1.5.
Could I bother a kind osx user to try it out? A little patch of like 8 objects would work perfectly fine, but drag it over to OSX and nothing.
We’re looking for populate, then count with the different concatenate/ignore options; basically the "gimme access to this folders content" deluxe.


Dec 26 2015 | 10:45 pm

I’m having trouble understanding the syntax required to get the [folder] object to populate a [umenu]. I find a lot of the Max help files hard to use in this way.

I would prefer to have a set of presets for my patch in a folder called presets, so when the patch loads it gets a list of all the available preset files and populates a [umenu] with them.

Re: the attached patch – from the help files:
I can use the example in patch 2 to report a file path, which I can then paste into the [folder] object in patch 1. But I can’t seem to use something as simple as "/presets/".

Also in patch 2 – prepent and append aren’t explained.

Patch 3 looks like the most simple – but I can’t figure out the syntax.

-- Pasted Max Patch, click to expand. --

There’s some mention of this in Tutorial 13: Movie Sequencing but they never explain how to create you own file paths.

Dec 27 2015 | 9:53 am

See if this helps.

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Forums > MaxMSP