In addition to what huck said, you should replace the line 
print $_ . "\n";

[download]
by 
print ">>$_<<\n";

[download]
just in case the 22948850_Config_(10.5).xlsx in c:/scripts/modular_collector/collections has some invisible character in its name, different from the "same" file in the current directory…

Update: "line 59" seems to be way after the call to Spreadsheet::Read->new, also note that the error message talks about method "read" (lower case "r"). Perhaps you copied an old version of that file into your development directory?

In reply to Re: Spreadsheet::Read Open File from Variable? by soonix
in thread Spreadsheet::Read Open File from Variable? by CJ2012SXT

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