Re: showif field is number
This WebDNA talk-list message is from 1997
It keeps the original formatting.
numero = 15662
interpreted = N
texte = Kenneth Grome wrote:> > >Is their a quick way to do [showif [field] is a number] ?> >> >Will this work? [showif [math][field]+1[/math]!] In other words, if the> >field is non-numeric, the math context will return a blank.> > I think something like this will work, but I don't remember what's> returned, whether it's blank or zero or some unpredictable number.> You'll probably have to play around with this technique to see what> you get ... :)It turns out that WC will return a value for any field *starting* with anumber. It will return the first number it sees, without performing whateverequation you've set up. if [sku]=111abc222defthen [math][sku]+1[/math] will return 111It only increments if it is a pure number.I ended up doing a comparison of the results to determine if it incremented.Pat
Associated Messages, from the most recent to the oldest:
Kenneth Grome wrote:> > >Is their a quick way to do [showif [field] is a number] ?> >> >Will this work? [showif
[math][field]+1[/math]!] In other words, if the> >field is non-numeric, the math context will return a blank.> > I think something like this will work, but I don't remember what's> returned, whether it's blank or zero or some unpredictable number.> You'll probably have to play around with this technique to see what> you get ... :)It turns out that WC will return a value for any field *starting* with anumber. It will return the first number it sees, without performing whateverequation you've set up. if [sku]=111abc222defthen
[math][sku]+1[/math] will return 111It only increments if it is a pure number.I ended up doing a comparison of the results to determine if it incremented.Pat
Pat McCormick
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