"my" variable $lo masks earlier declaration in same scope at foo.pl line 14.
"my" variable $hi masks earlier declaration in same scope at foo.pl line 14.
"my" variable @array masks earlier declaration in same scope at foo.pl line 21.
"my" variable $try masks earlier declaration in same scope at foo.pl line 21.
"my" variable $word masks earlier declaration in same scope at foo.pl line 21.
"my" variable @a masks earlier declaration in same scope at foo.pl line 33.
syntax error at foo.pl line 12, near "<= :"
syntax error at foo.pl line 30, near "}"
Execution of foo.pl aborted due to compilation errors.