ispref

Determine if custom preference exists

Syntax

ispref(group,pref)

ispref(group)

Description

ispref(group,pref) returns 1 if the specified preference in the specified group exists, and 0 otherwise. If pref specifies multiple preferences, ispref returns a logical array containing a 1 or 0 for each specified preference.

ispref(group) returns 1 if the specified group exists, and 0 otherwise.

Examples

Check If Preference Exists

Add a preference called version to the mytoolbox group of preferences and then check if the preference exists.

addpref('mytoolbox','version','1.0')
ispref('mytoolbox','version')

ans =
  logical
   1

Check If Multiple Preferences Exist

Add two preferences to the mytoolbox group of preferences and then check if the preferences exist.

addpref('mytoolbox',{'modifieddate','docpath'},{'1/9/2019','C:\mytoolbox\documentation'})
ispref('mytoolbox',{'modifieddate','docpath','hasdoc'})

ans =
  1×3 logical array
   1   1   0

MATLAB^® returns a logical array containing a 1 for the modifieddate preference and a 1 for the docpath preference. The hasdoc preference does not exist and therefore the last value of the logical array is 0.

Input Arguments

group — Custom preference group name

character vector | string scalar

Custom preference group name, specified as a character vector or a string scalar.

Example: 'mytoolbox'

Data Types: char | string

pref — Custom preference name

character vector | cell array of character vectors | string array

Custom preference name, specified as a character vector, a cell array of character vectors, or a string array.

Example: 'version'

Example: {'version','modifieddate','docpath'}

Data Types: char | string

Version History

Introduced before R2006a