exist

Check for the existence.

📝Syntax

res = exist(name)
res = exist(name, category)

📥Input Arguments

Parameter	Description
name	a string: name of variable, function, file, directory, or class.
category	a string: 'var', 'builtin', 'file', 'dir', or 'class'.

📤Output Arguments

Parameter	Description
res	a integer value.

📄Description

exists checks for the existence of variable, builtin, file, directory, or class.

exists returns:

0 does not exist

1 is an variable

2 is a file

3 is a mex function

5 is a builtin or function

7 is a directory

8 is a class

💡Examples

exist('fileread')
fileread = 3;
exist('fileread')
clear fileread
exist('fileread')

🔗See Also

🕔Version History

Version	Description
1.0.0	initial version