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need calculated multi-line key field

nikarc
in Calculation Engine (Define Fields)

Featured Replies

How would I do the following (if possible):

I have a text field foo with a string of numbers that are implicitly grouped in chunks of 12 characters. I would like to construct a multi-line key field from this data.

For example:

---

123456789012123456789012...

---

becomes

---

123456789012

123456789012

...

---

Can I do this with a calc field? If so, how? I'm stumped.. frown.gif

I am not sure I fully understand what you are wanting, but here is a calculation that may help get you started.

Left(Foo, 12) & "

  • Author

Thanks for the reply.

My text field can contain an arbitrary amount of grouped "chunks" - only the amount of characters per chunk is fixed (at 12). I'm not sure I can use a calc field unless I pick a sufficiently large max chunks number and have an insanely long calc field definition..

Define as many "Chunks" of size 12s that you need, just keep adding to the end of the calculation like this.

Left(Foo, 12) & "

A looping script could process the field completely.

Be aware that FMP has a 64k limit on text fields.

  • Author

I believe that a script will work better.

I'm working on records of text data that should never (individually) be bigger than 64k, and I'm only working with a subset of that record's data.

Okay, use a script

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https://fmforums.com/topic/18104-need-calculated-multi-line-key-field/
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