Use of uninitialized value in int at measurements2.pl line 42. Use of uninitialized value in int at measurements2.pl line 42. Use of uninitialized value in int at measurements2.pl line 42. Use of uninitialized value in int at measurements2.pl line 42. Use of uninitialized value in int at measurements2.pl line 42. Use of uninitialized value in int at measurements2.pl line 42. Use of uninitialized value in int at measurements2.pl line 42. Use of uninitialized value in division (/) at measurements2.pl line 63. Use of uninitialized value in division (/) at measurements2.pl line 63. Use of uninitialized value in division (/) at measurements2.pl line 63. Use of uninitialized value in division (/) at measurements2.pl line 63. Use of uninitialized value in addition (+) at measurements2.pl line 60. Use of uninitialized value in division (/) at measurements2.pl line 63. Use of uninitialized value in division (/) at measurements2.pl line 63. Use of uninitialized value in division (/) at measurements2.pl line 63. Use of uninitialized value in addition (+) at measurements2.pl line 60.