probably a weird question, but bear with me (-: when Perl loads a module using use , this is a compile time directive, and assuming this module doesn t use require anywhere in this module, can I launch a script which uses that module and while the script ruins erase the module from the HDD and be sure that the module is all loaded into the memory? (can call all of its methods and such...)
谢谢
是的, 您可以。 Perl 在运行它之前将源汇编成内部数据结构 (parse tree ), 运行时它不能使用. pm 文件 。 因此在编译和成功启动脚本后, 从磁盘上删除模块是安全的 。
这将适用于在启动时完全装入的简单模块。 但请注意, 许多模块使用 < code> AUTOLOAD 特性来推迟装入重部件, 直至真正需要某些特定功能。 这些模块随后可能会从任何地方拉动所需要的源―― 由功能文件、 自己的 < code\\\ DATA> / code 区域等进行预先分割。 试图装入您已经删除的文件自然会失败。 访问自己的 < code\\ DATA* / code > 仍然有效( 虽然我无法肯定它是否在内存中装入, 或者因为 Perl 持有对脚本的开关, 防止它完全消失直到它完成 ) 。
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