$./delete_list_ver3.pl test.list test_master.1

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.
Cant open  Bad file descriptor at ./delete_list_ver3.pl line 17.