SAMS Teach Yourself Perl in 24 Hours THIRD EDITION

Hour 10. Files and Directories

What You'll Learn in This Hour

• How to get a directory listing

• How to create and remove files

• How to create and remove directories

• How to get information about files

Files in your operating system provide a convenient set of storage concepts for data. The OS enables a name to be given to the data (a filename) and provides an organizational structure, called a file system, so that you can find the data later. Your computer's file system then organizes files into groups called directories—sometimes called folders. These directories can store files or other directories.

This nesting of directories inside directories provides a treelike structure to the file system on your computer. Each file is part of a directory, and ...