System Commands

Interact programmatically with the operating system and the MATLAB^® application

Functions

`clipboard`	Copy and paste text to and from system clipboard
`computer`	Information about computer on which MATLAB is running
`system`	Execute operating system command and return output
`dos`	Execute DOS command and return output
`unix`	Execute UNIX command and return output
`getenv`	Environment variable
`loadenv`	Load environment variables from `.env` and plain text files
`isenv`	Determine if environment variable exists
`setenv`	Set environment variable
`unsetenv`	Remove environment variable
`perl`	Call Perl script using operating system executable
`winqueryreg`	Item from Windows registry

`matlab.io.saveVariablesToScript`	Save workspace variables to MATLAB script
`getpref`	Get custom preference value
`setpref`	Set custom preference value
`addpref`	Add custom preference
`rmpref`	Remove custom preference
`ispref`	Determine if custom preference exists

`settings`	Access the `SettingsGroup` root object
`clearTemporaryValue`	Clear temporary value for setting
`clearPersonalValue`	Clear personal value for setting
`clearInstallationValue`	Clear installation value for setting
`hasTemporaryValue`	Determine whether setting has temporary value set
`hasPersonalValue`	Determine whether setting has personal value set
`hasInstallationValue`	Determine whether setting has installation value set
`hasFactoryValue`	Determine whether setting has factory value set
`addSetting`	Add new setting
`addGroup`	Add new settings group
`hasGroup`	Determine if settings group exists
`hasSetting`	Determine if setting exists in settings group
`removeGroup`	Remove settings group
`removeSetting`	Remove setting
`matlab.settings.mustBeLogicalScalar`	Validate that setting value is a logical scalar
`matlab.settings.mustBeNumericScalar`	Validate that setting value is a numeric scalar
`matlab.settings.mustBeStringScalar`	Validate that setting value is a string scalar
`matlab.settings.mustBeIntegerScalar`	Validate that setting value is an integer scalar
`Setting`	Represents individual setting
`SettingsGroup`	Group of settings and subgroup objects

matlab.codeanalyzer Settings	Code analyzer settings
matlab.colors Settings	MATLAB syntax highlighting color settings
matlab.commandwindow Settings	Command Window settings including text display settings
matlab.fonts Settings	Code font settings
matlab.general Settings	General settings including matfile settings
matlab.keyboard Settings	Keyboard settings including suggestions and completions settings

matlab.editor Settings	Editor settings, including language, backup, and display settings
matlab.appdesigner Settings	App Designer settings, including canvas editor and component browser settings

Access and Modify Settings
Access and modify options for tools such as fonts and colors using settings.
Create Custom Settings
Create custom settings to programmatically store and access data across sessions.
Shell Escape Function Example
Call external programs by issuing operating system commands.
Run External Commands, Scripts, and Programs
Use the ! character to call an operating system command. Run UNIX programs off the system path.
Change Environment Variable for Shell Command
This example shows how to substitute a user-specified value for an environment variable value set by MATLAB when you call a function using the system command.