What output is jumbled up? Did you mean stdout & stderr ? If so, then the docs for Capture::Tiny say this :-

capture_merged
...
Caution: STDOUT and STDERR output in the merged result are not guarant
+eed to be properly ordered due to buffering.

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In reply to Re: capturing output of system call inside a thread by RichardK
in thread capturing output of system call inside a thread by that_guy

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