I collect some useful code snippets here for later usage or just keep a note of what I have read.
1.find files larger than a specifed size(in byte):
2.we can use “man module::name” or “perldoc module::name” to check the detailed info of a module.
3.For the first example, if using require, we can write it as the following:
4.”use” happens during compile time, whereas “require” happens at runtime.