"my" variable $var masks earlier declaration in same scope at E:\aa\packtest.pl line 16.
"my" variable $var masks earlier declaration in same scope at E:\aa\packtest.pl line 29.
Use of uninitialized value in concatenation (.) or string at E:\aa\packtest.pl line 32.
Use of uninitialized value in concatenation (.) or string at E:\aa\packtest.pl line 43.
Use of uninitialized value in concatenation (.) or string at E:\aa\packtest.pl line 22.