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use 5.012.02;
use strict;
...
say "\@temparray has ", scalar(@temparray), " elements.";
say "\$temparray[0] = $temparray[0]";
say "\@temparray = @temparray";

Use of uninitialized value $temparray[0] in concatenation (.) or strin
+g at test.pl line 14.
Use of uninitialized value $temparray[0] in join or string at test.pl 
+line 15.
...
@temparray has 1 elements.
$temparray[0] = 
@temparray =