What could possibly cause this erratic behaviour
<Wild-Guessing>
  1. Different PATH variables in shell and perl - can be verified
  2. Output of B contains some strange bytes - check a hex dump
  3. .... don't know ...
</Wild-Guessing>
Try
my @output = `some_binary.out $param | tee /tmp/controll.txt`;

[download]
and view the content of /tmp/controll.txt
s$$([},&%#}/&/]+}%&{})*;#$&&s&&$^X.($'^"%]=\&(|?*{%
+.+=%;.#_}\&"^"-+%*).}%:##%}={~=~:.")&e&&s""`$''`"e

In reply to Re: Strange Behaviour with Backticks by Skeeve
in thread Strange Behaviour with Backticks by neversaint

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