How do I change the way a command works in OSLO? I have located the command I want to change and it is in a CCL file in the public CCL directory. Can just go ahead and edit the file?

Synopsis

Editing of public CCL files

Solution

OSLO allows users the complete flexibility of changing or altering existing functions to suit their needs. Many of the OSLO analysis commands have been created using CCL programming. All these commands can be found in the public CCL directory. If you want to edit a CCL for your own purposes, it is recommended that you first copy the CCL file from the public directory into the private CCL directory and edit it there (after you edit it, you will have to re-compile the private CCLs). There are several reasons for doing this:

1. A named command can only exist once in either the private or public CCL directories. However, each directory (public and private) can contain an instance of each command. If this is the case (that there is a command that appears once in the private CCL and once in the public CCL directories), then the private version of the command supersedes the version of the command in the public directory.
2. If the changed command causes unanticipated problems, the situation can be simply reversed by deleting the command in the private directory.
3. If you make changes to the CCL file in the public CCL directory, this file may be overwritten the next time OSLO is updated. Lambda Research reserves the right to overwrite CCL files in the public directory during OSLO installations and updates.

If you encounter trouble when copying the public CCL file to the private directory, you may want to refer to the associated Knowledge Base item here: Copying CCL files to the private CCL directory