marto@netbook:~/perlmonks$ ./oneline.exe 
Can't locate Date/Calc.pm in @INC (you may need to install the Date::Calc module) (@INC contains: /tmp/par-6d6172746f/cache-c93faf27fca57f9a6de63ed7af3cc18b152dad8a/inc/lib /tmp/par-6d6172746f/cache-c93faf27fca57f9a6de63ed7af3cc18b152dad8a/inc CODE(0x9ffa574) CODE(0x9ffa740)) at script/1193701_oneline.pl line 4.
BEGIN failed--compilation aborted at script/1193701_oneline.pl line 4.

marto@netbook:~/perlmonks$ ./oneline_x.exe 
FINISHED

marto@netbook:~/perlmonks$ ./twolines.exe 
FINISHED

marto@netbook:~/perlmonks$ ./twolines_x.exe 
FINISHED