PML Tracing

Software Customisation Guide

Developing PML Code : PML Tracing

If a PML File does not appear to be running in the way the user expects the easiest thing to do is to turn on PML Tracing with the command:

With PML Tracing switched on, each of the PML lines executed is output to the parent window together with its line number. Additional tracing messages tell the user when they have begun to process a new PML File and when it has finished. To turn off tracing type:

These commands can also be put into a PML File on a temporary basis.

The user can also turn PML tracing on by setting the Environment Variable PMLTRACE to ON before they start the program.

For more precise control of PML tracing the user can use the $R command. $R100 is the equivalent of PML TRACE ON and $R0 is the same as PML TRACE OFF.

Type the command $HR for online help on how to use the $R command.

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