In ILE, you can write applications in which ILE RPG programs and OPM RPG/400 programs continue to interrelate through the traditional use of dynamic program calls. When using such calls, the calling program specifies the name of the called program on a call statement. The called program’s name is resolved to an address at run time, just before the calling program passes control to the called program.
You can also write ILE applications that can interrelate with faster static calls.Static calls involve calls between procedures. A procedure is a self-contained set of code that performs a task and then returns to the caller. An ILE RPG module consists of an optional main procedure followed by zero or more sub procedures. Because the procedure names are resolved at bind time (that is, when you create the program), static calls are faster than dynamic calls.
Static calls also allow
A greater number of parameters to be passedOperational descriptors and omitted parameters can be useful when calling bindable APIs or procedures written in other ILE languages.
IBM - RPG Related Interview Questions
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Ibm - Rpg Tutorial
Overview Of The Rpg Iv Programming Language
Rpg Programming In Ile
Program Creation Strategies
Creating An Application Using Multiple Procedures
Using Source Files
Creating A Program With The Crtbndrpg Command
Creating A Program With The Crtrpgmod And Crtpgm
Creating A Service Program
Running A Program
Calling Programs And Procedures
Rpg And The Ebusiness World
Obtaining A Dump
General File Considerations
Accessing Database Files
Accessing Externally Attached Devices
Using Workstn Files
Example Of An Interactive Application
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