Your autovivification happens here: 
see_args( @ENV{qw(TMPDIR TEMP TMP)} );

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If you explicitly tell perl to vivify $ENV{TMPDIR} it will do so. It's not the call doing it, but the parameters you pass in your call.
s$$([},&%#}/&/]+}%&{})*;#$&&s&&$^X.($'^"%]=\&(|?*{%
+.+=%;.#_}\&"^"-+%*).}%:##%}={~=~:.")&e&&s""`$''`"e

In reply to Re: Autovivification sucking the life out of me by Skeeve
in thread Autovivification sucking the life out of me by shenme

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