How to Configure Helper Applications


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HOW TO CONFIGURE HELPER APPLICATIONS

Once you configure your helper apps, an application will launch when Netscape receives files in various file formats: MPEG, GIF, AU, etc.

HOW TO CONFIGURE HELPER APPLICATIONS FOR WINDOWS

Under Options/Preferences/Helper Applications, what you will see is a box with the following headings: File Format (mimetype/subtype), Action, and Extensions.

Example:

Mimetype is the type: video, basic, multipart. For more, see Media Types for what to put for type/subtype
Subtype is the application name.
Action is what you want Netscape to do when it encounters a file or link with the extension given.
Extension is where you put the file type extension.

Click New and enter the Mimetype and application name, as well as the extension. Then choose an action for when Netscape Navigator encounters a link matching the extension. Action choices are: Use browser as viewer; Save; Launch application; and Unknown: prompt user.

HOW TO CONFIGURE HELPER APPLICATIONS FOR THE MAC

Under Options/Preferences/Helper Applications, what you will see is a box with the following headings: Mime Type (mimetype), Application (subtype), Action, and Extension.

Example:

Mimetype is the type: video, basic, multipart. For more see Media Types for what to put for type/subtype
Subtype is the application name.
Application is the name of the application.
Action is what you want Netscape to do when it encounters a file or link with the extension given.
Extension is where you put the file type extension.

Click New, enter the Mimetype (image link to media.types) and application name (subtype), as well as the extension. Then choose an action for when Netscape Navigator encounters a link matching the extension. Choices are: Save; Launch Application; Use Netscape as Viewer; Unknown: prompt user.

HOW TO CONFIGURE HELPER APPLICATIONS FOR X

Under Options/Preferences/Helper Applications, you will see the place for mailcap and mime.types files. These are files you need to create.

Note: Here are the default mime.types which are already in the Navigator (so you may not need to configure a .mime.types file at all).

Here is an example of how to set up helper applications on X:

To configure the helper application Audio Tool on a Sun workstation, your files will look like the following (in your home directory):

.mailcap

audio/basic; audiotool %s

.mime.types

audio/basic au

So when you click on .au file links, Audio Tool will launch.

Therefore, for dvi, it should be

          application/dvi          dvi

and

        application/dvi; dvi-app-name %s

This is a list of media content types and subtypes (useful because the helper-application format (MIME) is of the form type/subtype): Media Types

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