When you add a field to a file, you do not have to recompile all programs that access the data.
By Sam Lennon
Traditionally, if you add a field to a physical file, you have to recompile all programs that use that physical file definition. Generally, you also need to recompile all programs that use logical files over the physical. But with some planning, you can avoid many of these recompiles, thereby shortening and simplifying the installation. And without level checks.
With the right RPG tools, you can make the most challenging data manipulation project fun.
Written by Tom Snyder
Dealing with interface files from external systems is always an involved exercise in data validation. It's also a prime opportunity for using the string manipulation built-in functions (BIFs) available in RPG ILE.
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