$ perl -MO=Deparse,-p -e 'map chr hex, @code_points' map(chr(hex($_)), @code_points); #### $ perl -wMstrict -le 'sub foo {} foo "bar"' # ok $ perl -wMstrict -le 'sub foo {} foo("bar")' # ok $ perl -wMstrict -le 'foo("bar"); sub foo {}' # ok $ perl -wMstrict -le 'foo "bar"; sub foo {}' # fails String found where operator expected at -e line 1, near "foo "bar"" (Do you need to predeclare foo?) syntax error at -e line 1, near "foo "bar"" Execution of -e aborted due to compilation errors.