MATLAB Function Reference

fileparts - Parts of file name and path

Syntax

[pathstr, name, ext, versn] = fileparts(filename)

Description

[pathstr, name, ext, versn] = fileparts(filename) returns the path, filename, extension, and version for the specified file. filename is a string enclosed in single quotes. The returned ext field contains a dot (.) before the file extension.

The fileparts function is platform dependent.

You can reconstruct the file from the parts using

fullfile(pathstr,[name ext versn])

Examples

Return the pieces of a file specification string to the separate string outputs pathstr, name, ext, and versn. The full file specification is

file = '\home\user4\matlab\classpath.txt';

Note that the character used to separate the segments of a pathname is dependent on the operating system you are currently running on. In this example, it is the backslash (\) character which is used as a separator on Windows^® systems. You can use the filesep function as shown below to insert the correct separator character:

sep = filesep;
file = ['' sep 'home' sep 'user4' sep 'matlab' sep ...
        'classpath.txt' ''];

Now use fileparts to return the path, filename, user name, and file version, if there is one:

[pathstr, name, ext, versn] = fileparts(file)

pathstr =
   \home\user4\matlab

name =
   classpath

ext =
   .txt

versn =
     ''

See Also

fullfile

filemarker

filehandle