Thanks to all of you!

Capture::Tiny looks promising and I will consider it for a rewrite of my script.

For my task at hand, merging STDOUT and STDERR with "2>&1" is sufficient, but I don't like it as a "solution". I think it is just a workaround.

And to answer moritz' Question: Yes! ls is just an example. The real program I call is openssl.

s$$([},&%#}/&/]+}%&{})*;#$&&s&&$^X.($'^"%]=\&(|?*{%
+.+=%;.#_}\&"^"-+%*).}%:##%}={~=~:.")&e&&s""`$''`"e

In reply to Re: Can't capture STDERR to Variable by Skeeve
in thread Can't capture STDERR to Variable by Skeeve

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