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Dynamic SQL can do it, you can embed it in RPG. Alos REXX has an "interpret" command. So does JavaScript.

If you use SQL be carefull about "Code Injection". Somebody can write in the formula SQL instructions that cause trouble.

eftimios pantzopoulos wrote:

I was wondering if anyone has solved this type of problem:

I work for a large leasing company and the business has been asking about the possibility of creating functions and running them dynamically. In other words, a user would be able to create a string in a reference table such as result = (amount/term)* interest rate and then have that formula run, with values substituted at execution time.

They may then decide to tweak the formula next month to result = (amount/term)* interest rate + 100.00 so tht it runs without any coding changes. In other words, a dynamic EVAL.

I think I could do it with QSHELL by placing the formula in a QSHELL script dynaically and then executing the script to derive the result but it's not very elegant.

I've heard that VB has a function which accepts the formula as a string and returns a result, but I haven't been able to find it.

Thanks,

Mike Pantzopoulos



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