I am working on a code parser that is built on Rexx. It is a single file script with around 5000 lines of code or more. I've never worked on Rexx before. Adding to that, the readability issue is making my life even tougher. So,
Are there are any tools to debug and understand Rexx code?
Use the trace statement? The most simple mode of tracing is 'A'. This causes each instruction to be displayed before it is executed. Your instruction is displayed with a line number and the three characters - preceding it, so that you can identify it as a line in your script.