There are specialized tools (often proprietary and expensive) used by consultants that can perform "disassembly." This doesn't give you a .p file; it gives you a low-level representation of the logic flow. You then have to manually rewrite the ABL code based on that logic. The "Link" Challenge: Mapping R-Code to Source

Progress provides a built-in handle called RCODE-INFO . While it won't show you the logic, it allows you to programmatically extract: The CRC (Cyclic Redundancy Check) value. Languages supported in the file. Whether it was compiled for 32-bit or 64-bit architectures. 2. Strings and Hex Editors

Includes ( {...} ) and arguments are expanded before compilation, meaning the "link" to the original include file is baked into the code and cannot be easily separated back out. Available Tools and Techniques

A .r file is not machine code like an .exe file; rather, it is (portable code). When you compile a Progress program, the OpenEdge compiler translates your readable Advanced Business Language (ABL) into an intermediate format that the Progress Virtual Machine (AVM) can execute. This file contains: Action Segments: The executable logic. Text Segments: String literals and variable names.

Progress uses CRC values to ensure that a compiled .r file "links" correctly to the database schema. If the database schema changes, the .r file becomes invalid.

By using a simple "strings" utility or a Hex Editor, you can see the plain-text literals inside the file. This is often enough to identify which database tables or fields the program touches, which can help you "link" the file to its original purpose. 3. Professional Recovery Services