readline() on closed filehandle $DELLIST at ./delete_list_ver3.pl line 12.
Use of uninitialized value $ARGV[1] in concatenation (.) or string at ./delete_list_ver3.pl line 17.
readline() on closed filehandle $ORGLIST at ./delete_list_ver3.pl line 19.
syntax error at ./delete_list_ver3.pl line 8, near ", >>"
syntax error at ./delete_list_ver3.pl line 9, near ", >>"
Unterminated <> operator at ./delete_list_ver3.pl line 10.