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Use Scott's example...it is exactly what is needed. Don't bother trying to extract blanks from your alpha field. This is from the RPGIV (V5R4) manual on the %DEC BIF:
If the parameter is a character expression, the following rules apply:
- The sign is optional. It can be ?+? or ?-?. It can precede or follow the numeric data.
- The decimal point is optional. It can be either a period or a comma.
- Blanks are allowed anywhere in the data. For example, ? + 3 ? is a valid parameter.
- The second and third parameters are required.
- Floating point data, for example ?1.2E6?, is not allowed.
- If invalid numeric data is found, an exception occurs with status code 105.
Check out the third point: blanks are allowed. In fact, they are ignored. So a value of 'b1b2b3b4b' (b = blank) would translate as 1234. I know this works...I have production code that uses this (converting Credit Card numbers entered as '9999 9999 9999 9999' to '9999999999999999').
Now, if you have embedded values other than numeric, blanks, and leading or trailing sign, that is another issue. If you value is '123A456' and you want the result to be 123456, you have a bit more work to do.
--Bruce Guetzkow
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