I think its useful, this is what I get:

C:\Temp>echo package FooTempTest;warn __PACKAGE__; 1; > FooTempTest.pm

C:\Temp>perl -MFooTempTest -e 1
FooTempTest at FooTempTest.pm line 1.

C:\Temp>cacls.EXE FooTempTest.pm /E /D %username%
processed file: C:\Temp\FooTempTest.pm

C:\Temp>more FooTempTest.pm
Cannot access file C:\Temp\FooTempTest.pm

C:\Temp>perl -e" eval {require FooTempTest; 1} or die qq{($@)($!)($^E)
+}"
(Can't locate FooTempTest.pm in @INC (@INC contains: C:/Perl/site/lib 
+C:/Perl/lib .) at -e l
ine 1.
)(Permission denied)(Access is denied) at -e line 1.
[download]

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