From the course: Migrating COBOL Apps

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Visualization of legacy COBOL code

Visualization of legacy COBOL code - COBOL Tutorial

From the course: Migrating COBOL Apps

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Visualization of legacy COBOL code

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- [Instructor] Often when embarking upon a COBOL migration project, not only will the legacy application be aged but the original developers will be retired or worse, and there'll be limited or out-of-date documentation to support the application, or much of the current expertise for the application if there is any, may come from outsourced teams. Getting a good understanding of the source code will be critical to a smooth and successful migration. In the early days of COBOL, programmers would often hand-draw structure diagrams representing the organization of the code. In 1985, a researcher at Massey university in New Zealand Kay Meng Tan, carried out research into automating the analysis of COBOL programs, with a COBOL program called MUCAS, which determined the complexity measures and control flows in the programs. This was never commercialized, however, and he's long gone. In his 1996 thesis entitled "Design…

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