> Every time I run my program I get the error:
"Uncaught exception from user code"
Because diagnostics is (secretly) used by you!
d:\tmp>perl -MCarp -Mdiagnostics -e"croak 'bla'"
Uncaught exception from user code:
bla at -e line 1.
d:\tmp>
see also this SO discussion which I found by simply googling for you...
update
> How do I tell perl not to print this text?
either don't use diagnostics at all ...
... or disable diagnostics before dieing
d:\tmp>perl -Mdiagnostics -e"disable diagnostics; die 'bla'"
bla at -e line 1.
d:\tmp>
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