in reply to Re^2: keeping something in memory after the end of script
in thread keeping something in memory after the end of script

Point taken (++), but the magic is not too achene: 
~$ chksum=$(perl -e'print qq|Set by perl|'); echo BASH says chksum is 
+$chksum
BASH says chksum is Set by perl

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        This is not an optical illusion, it just looks like one.

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