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I'm trying to use Hazel to auto-alter the 'encoded by' tag within an mp3 created with Audio Hijack

I have an ID3 Editor with a line command tool, id3edcmd

To install the command line tool:
Copy the tool 'id3edcmd' to your bin folder e.g. /Users/<username>/bin, or to the main bin folder '/usr/local/bin' for full terminal support.
Note: You can use the tool from any folder.

I copied it into

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/usr/local/bin

From the man page the command I need is;
(1).

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Usage: id3edcmd [options] file [file]...

(2).

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-en text             Set the name of the person or organisation that encoded the track

I've run the command inside terminal, successfully;

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id3edcmd -en 'LAME 3.98' /Users/neilmcg/Desktop/test/Disclosure\ -\ Feel\ Like\ I\ Do.mp3

The command tool needs the complete path to the mp3 file.

I then moved into Hazel.
(OS X 10.11.6) - Version 4.0.5

Filter the selection to mp3 files

The command line is set to

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/usr/local/bin

- see pic

I've then tried 4 variations;

None of them work;

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id3edcmd -en 'LAME 3.98' /Users/neilmcg/Desktop/Test/$1

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id3edcmd -en 'LAME 3.98' /Users/neilmcg/Desktop/Test/{$1}

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id3edcmd -en 'LAME 3.98' $1

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id3edcmd -en 'LAME 3.98' {$1}

From the Console, error is,
All fail - with this logged in console;

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Rule encoded with Audio Hijack -> LAME 3.98 matched.
Exception caught while executing shell script: Couldn't posix_spawn: error 13
[Error] Shell script failed: Error processing shell script on file /Users/neilmcg/Desktop/test/Disclosure - Feel Like I Do.mp3.
Shellscript exited with non-successful status code: -900

id3edcmd needs the full path to the file, perhaps the problem is the \ escape used in terminal for spaces in the path - I'm guessing.

Any idea why it's failing and how to fix it? Much appreciated.

Several issues with your script. First, do no set the shell to /usr/local/bin. If in doubt, leave it blank. Instead you want to specify the full path to the id3edcmd as "/usr/local/bin/id3edcmd".

Also, $1 is the full path already. Prepending it with some root path will just create a nonsense path. Just use "$1" with the double-quotes so that it can handle paths with spaces in it.

Excellent - thanks

It's running now, without throwing errors in Console.

After some digging I've found a working solution. I'm adding it here for future reference, in case anyone else needs the info.

The hint about the shell and bash was from this site https://stefanzweifel.io/posts/automate-todayone-sh/
Shell is;

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/bin/bash

The embedded script is;

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#!/bin/bash
/usr/local/bin/id3edcmd -en 'LAME 3.98' "$1"

Wonderful thanks Neil and Mr_Noodle. I was having the same issue but I'm all setup and good to go thanks to your help.

It's good to see that there are helpful people like you around.