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check a convertion from CHAR TO NUMC


I import a flatfile into a structure that contains only CHAR-fields. Then I make a TRY-CATCH construct for every field in P,I,F,N..-datatypes to check if the data is correct.

P,I,F raise a CONVERT-Exception that i can handle.

A move to N-field raise no exception but put a wrong values to the N-field.


Charfield contains ' 1 1 0000', N-field is '110000'.

A compare in the program like

IF C-Field <> N-Field raise a exception that can't be catched by TRY-Catch.

How can i check if the field is correct?

Anybody understand me and have an idea?



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  • Best Answer
    Posted on Oct 18, 2005 at 12:18 PM

    Hi Stefan!

    I'm not sure, if I could follow you: the If C-field is outside your program?

    Nevertheless, add some checks / conversions before you try to move into a N-field:

    - Depending if you would like to accept your example, use condense

    - replace space with 0 (e.g. use translate ' 0')

    - only convert, if c-field CO '0123456789'.

    Especially the 'contains only' should prevent any problems during the conversion.



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  • Posted on Oct 18, 2005 at 12:16 PM

    Try something like this...

    IF field CN '0123456789'.
    * This field is not all numeric


    Rich Heilman

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