---

17.7 The Sample Extensions in the gawk Distribution

This section provides a brief overview of the sample extensions that come in the gawk distribution. Some of them are intended for production use (e.g., the filefuncs, readdir, and inplace extensions). Others mainly provide example code that shows how to use the extension API.

• File-Related Functions
• Interface to fnmatch()
• Interface to fork(), wait(), and waitpid()
• Enabling In-Place File Editing
• Character and Numeric values: ord() and chr()
• Reading Directories
• Reversing Output
• Two-Way I/O Example
• Dumping and Restoring an Array
• Reading an Entire File
• Extension Time Functions
• API Tests