Practical Programming in Tcl & Tk, Third Edition

The registry Command

Windows uses the registry to store various system configuration information. The Windows tool to browse and edit the registry is called regedit. Tcl provides a registry command. It is a loadable package that you must load by using:

package require registry

The registry structure has keys, value names, and typed data. The value names are stored under a key, and each value name has data associated with it. The keys are organized into a hierarchical naming system, so another way to think of the value names is as an extra level in the hierarchy. The main point is that you need to specify both a key name and a value name in order to get something out of the registry. The key names have one of the following formats:

\\hostname ...