is_dir

Arguments

Returns

t if the named file exists and is a directory, otherwise nil.

Description

This function checks if a file is a directory. Relative file paths are relative to the current working directory.

Example

    Gamma> is_dir("/home/robert/w/devel/lisp");
    t
    Gamma> is_dir("../../doc");
    t
    Gamma> is_dir("doc");
    nil
    Gamma>  
    		

See the Common: the Data Directory of the Controller Functions chapter (Tutorial Two) in the Cogent Tools Demo and Tutorials book for an example of this function used in context.

See Also

is_file