hasSetting

Determine if setting exists in settings group

Syntax

hasSetting(parentgroup,name)

Description

hasSetting(parentgroup,name) returns 1 if the specified settings group contains a setting called name. Otherwise, hasSetting returns 0.

Examples

Check Before Adding Setting

Check whether a setting exists before adding it.

Use the settings function to access the root of the settings tree and then create the settings group mysettings.

s = settings;
addGroup(s,'mysettings');

Check whether the MyWorkAddress setting exists before adding it to mysettings.

if hasSetting(s.mysettings,'MyWorkAddress') == 0
    addSetting(s.mysettings,'MyWorkAddress','PersonalValue','3 Apple Hill Drive');
end
s.mysettings

ans = 
  SettingsGroup 'mysettings' with properties:
        MyWorkAddress: [1×1 Setting]

Input Arguments

parentgroup — Parent settings group

SettingsGroup object

Parent settings group, specified as a SettingsGroup object. Use the settings function to access the root settings group object and all the available settings groups in the tree.

name — Name of setting to check for

character vector | string scalar

Name of the setting to check for, specified as a character vector or string scalar.

Version History

Introduced in R2019b