perlmod - Perl のモジュール (パッケージとシンボルテーブル) - perldoc.jpPerl provides a mechanism for alternative namespaces to protect packages from stomping on each other's variables. In fact, there's really no such thing as a global variable in Perl. The package statement declares the compilation unit as being in the given namespace. The scope of the package declaration is from the declaration itself through the end of the enclosing block, eval, or file, whichever
