or download this
C:\Steve\Dev\PerlMonks\P-2013-10-18@1712-DataMergeCSV>mergetest1.pl
Global symbol "@array1" requires explicit package name at
...
C:\Steve\Dev\PerlMonks\P-2013-10-18@1712-DataMergeCSV\mergetest1.p
+l line 41.
Execution of C:\Steve\Dev\PerlMonks\P-2013-10-18@1712-DataMergeCSV\mer
+getest1.pl
aborted due to compilation errors.