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Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: freeradical
Date: February 16, 2020 02:04AM
There are some mp3s that I want to open with Audacity, so I do a "get info", and change this property.

However, I get this message when I double click on the file.

Quote

“05 Up, Up, My Heart, And Thou My Entire Being.mp3” is from an unidentified developer. Are you sure you want to open it?

Opening “05 Up, Up, My Heart, And Thou My Entire Being.mp3” will always allow it to run on this Mac.


I can go into "security and preferences" to allow a single mp3 to run.

Okay, but I've got 70 mp3s that I want this to work with.

Is there any better solution?

(I'm running Sierra)
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: space-time
Date: February 16, 2020 10:48AM
do you get this warning if you open Audacity first? without opening an MP3
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: freeradical
Date: February 16, 2020 11:24AM
Quote
space-time
do you get this warning if you open Audacity first? without opening an MP3

Interesting...no

I wonder why?
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: Sarcany
Date: February 16, 2020 11:51AM
They're not being recognized as mp3 files. They look like binary/executable files to the OS.

Are you sure that these are legit mp3 files?



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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: freeradical
Date: February 16, 2020 11:53AM
Quote
Sarcany
They're not being recognized as mp3 files. They look like binary/executable files to the OS.

Are you sure that these are legit mp3 files?


Yeah, they're legit. I downloaded them from the Hal Leonard Publishing site. They're audio files to accompany a music book of Bach Chorales.
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: space-time
Date: February 16, 2020 12:36PM
Quote
freeradical
Quote
space-time
do you get this warning if you open Audacity first? without opening an MP3

Interesting...no

I wonder why?

so if you open audacity first, then open the MP3, do you still get the warning?

can you get info and change the App that opens these MP3 and make sure you always use Audacity to all MP3? if that is what you want, of course...
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: Sarcany
Date: February 16, 2020 02:11PM
Try this: Rename one of the mp3 files that you haven't opened yet.

Change ".mp3" to ".txt" and if prompted to okay the change, do so.

Then change it back to ".mp3" and report back whether the newly-renamed file still generates a prompt when you double-click it.

If this works then I have a potential shortcut for fixing it.



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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: freeradical
Date: February 16, 2020 02:21PM
Quote
Sarcany
Try this: Rename one of the mp3 files that you haven't opened yet.

Change ".mp3" to ".txt" and if prompted to okay the change, do so.

Then change it back to ".mp3" and report back whether the newly-renamed file still generates a prompt when you double-click it.

If this works then I have a potential shortcut for fixing it.

I got a message saying Audacity did not recognize the file type. When I changed the extension name back, I had the same problem.
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: Sarcany
Date: February 16, 2020 02:27PM
Get Info on the file and look at the Name & Extension field.

I suspect that your OS tried to outsmart you and didn't actually rename the file to properly end in .mp3.

It probably now appears as "xyz.mp3.txt" in the Get Info window. Rename it to end in ".mp3" in the Get Info window.

...The point of this name-change and change-back is to utilize a feature of the OS that sees a file-name change as a file-type change. It presently sees your files as generic binaries, probably because the web site that you downloaded them from had its MIME types set wrong, or the app that you used to download the files messed it up.

When you rename a file to end in .txt then the OS will treat the file as a text document-file. Change it back to .mp3 and the OS should see it as an MPEG (mp3) document file.

If it works then you can use the "Rename" option in the Finder to bulk-rename the mp3 files to end in ".txt" and then bulk-rename them again to end in ".mp3" and at that point you should no longer have the error.







Edited 1 time(s). Last edit at 02/16/2020 02:34PM by Sarcany.
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: Filliam H. Muffman
Date: February 16, 2020 03:14PM
Quote
freeradical
They're audio files to accompany a music book of Bach Chorales.

Did they come with an app?



In tha 360. MRF User Map
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: freeradical
Date: February 16, 2020 03:18PM
Quote
Filliam H. Muffman
Quote
freeradical
They're audio files to accompany a music book of Bach Chorales.

Did they come with an app?

There is a "Playback" app available, but it seems like it only works in an online context within a browser.


[www.halleonard.com]
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: Filliam H. Muffman
Date: February 16, 2020 03:44PM
If you still have issues after properly setting the EXT, my guess is there is something odd in the file header or maybe non standard MP3 tags. Do you have a hex editor handy to compare to other MP3 files?




In tha 360. MRF User Map



Edited 1 time(s). Last edit at 02/16/2020 03:47PM by Filliam H. Muffman.
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: freeradical
Date: February 16, 2020 03:50PM
Quote
Filliam H. Muffman
If you still have issues after properly setting the EXT, my guess is there is something odd in the file header or maybe non standard MP3 tags. Do you have a hex editor handy to compare to other MP3 files?

I've never had to use a hex editor.

Something like this?

[apps.apple.com]

I'm not sure what I'd be looking for.
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: Filliam H. Muffman
Date: February 16, 2020 03:58PM
That would work. Don't bother if it seems too far out of your comfort zone. I don't know what to look for right off. Someone might have an idea if you post a screenshot of the first part of a file that behaves properly versus one of the chorales.

EDIT: Always work on a copy of the files to start with.



In tha 360. MRF User Map



Edited 1 time(s). Last edit at 02/16/2020 04:00PM by Filliam H. Muffman.
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: freeradical
Date: February 16, 2020 03:59PM
Hmm, I actually do have ResEdit somewhere.
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: Filliam H. Muffman
Date: February 16, 2020 04:00PM
I don't think there is an Intel/OS X version of ResEdit.



In tha 360. MRF User Map
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: btfc
Date: February 16, 2020 05:06PM
Try this:

[www.triq.net]
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Re: Why are mp3s being treated as "apps" by "security and privacy"?
Posted by: Sarcany
Date: February 16, 2020 05:16PM
Just select a bunch of the .mp3 files; control-click; select "Rename" from the contextual menu, change ".mp3" to ".txt"; and then control-click and rename again, but this time change ".txt" to ".mp3" and you'll probably be fine.



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