There is no passing argument but secondscript can use variables declared in firstscript
Right, but only if the variable is declared with our, in both files, see perlfaq8:
1) do $file is like eval `cat $file`, except the former
1.1: searches @INC and updates %INC.
1.2: bequeaths an *unrelated* lexical scope on the eval'ed code.
my variables are file scoped and thus not visible in secondscript.pl.
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