Setting metadata fails for audio files in deep folders

Help & Support
1

Setting metadata fails silently for certain properties of audio files located in deeply nested folders (path depth > 259).

This issue appears to be specific to audio files and their tags. Metadata operations on non-audio files and video files work as expected.

Quick demo:

2026-04-14 - 16.53.57
2026-04-14 - 16.53.572523×1405 220 KB

2026-04-14 - 16.54.46
2026-04-14 - 16.54.462523×1405 165 KB

@set lp=LongPath111111111111111111111111111111111111111111\LongPath222222222222222222222222222222222222222222\LongPath333333333333333333333333333333333333333333\LongPath444444444444444444444444444444444444444444\LongPath555555555555555555555555555555555555555555

Copy WHENEXISTS=replace FILE=/windows\Media\Alarm01.wav TO=/downloads
Copy WHENEXISTS=replace FILE=/windows\Media\Alarm01.wav TO=/downloads CREATEFOLDER={$lp}

SetAttr META title:"the new title" FILE=/downloads\Alarm01.wav
SetAttr META title:"the new title" FILE=/downloads\{$lp}\Alarm01.wav

Go PATH=/downloads\Alarm01.wav  OPENINLEFT
Go PATH=/downloads\{$lp}\Alarm01.wav OPENINRIGHT

Set METAPANE=on
XML 
<?xml version="1.0"?>
<button backcol="none" display="both" label_pos="right" textcol="none">
	<label>DemoLongPath</label>
	<icon1>#newcommand</icon1>
	<function type="normal">
		<instruction>@set lp=LongPath111111111111111111111111111111111111111111\LongPath222222222222222222222222222222222222222222\LongPath333333333333333333333333333333333333333333\LongPath444444444444444444444444444444444444444444\LongPath555555555555555555555555555555555555555555</instruction>
		<instruction />
		<instruction>Copy WHENEXISTS=replace FILE=/windows\Media\Alarm01.wav TO=/downloads</instruction>
		<instruction>Copy WHENEXISTS=replace FILE=/windows\Media\Alarm01.wav TO=/downloads CREATEFOLDER={$lp}</instruction>
		<instruction />
		<instruction>SetAttr META title:&quot;the new title&quot; FILE=/downloads\Alarm01.wav</instruction>
		<instruction>SetAttr META title:&quot;the new title&quot; FILE=/downloads\{$lp}\Alarm01.wav</instruction>
		<instruction />
		<instruction>Go PATH=/downloads\Alarm01.wav  OPENINLEFT</instruction>
		<instruction>Go PATH=/downloads\{$lp}\Alarm01.wav OPENINRIGHT</instruction>
		<instruction />
		<instruction>Set METAPANE=on</instruction>
	</function>
</button>

Directory Opus 13.22.8.0 build 9469 english
Windows 11 25H2 build 26200.8246 (AMD64)
2

Off-topic:

Yay @lxp, top of the morning to you :top_hat:, great to see you back after so long! :smiley:
Hope you’re doing well! I’ve really missed your presence and contributions on the forum.

Still very grateful for your awesome Cycle through Layouts script command,
I use it every day in my workflow.

Cheers! :slightly_smiling_face:

3

That'll work in the next beta.