Hi
Is it ever possible to prove, scientifically or mathematically, that two
functions are exactly equivalent ?
For example, these two functions:
Function StripCharsNew(tcInvalidValue, tcValidCharSet)
Local lcValidValue, lnCharNo
lcValidValue = tcInvalidValue
For lnCharNo = 1 to Len(tcInvalidValue)
If At(Substr(tcInvalidValue, lnCharNo, 1), tcValidCharSet) = 0
lcValidValue = ChrTran(lcValidValue,Substr(tcInvalidValue,
lnCharNo, 1),tcReplaceChar)
EndIf
Next
Return lcValidValue
EndFunc
Function StripCharsOld(tcInvalidValue, tcValidCharSet)
Local lcValidValue, lnCharNo
lcValidValue = ""
For lnCharNo = 1 to Len(tcInvalidValue)
If At(Substr(tcInvalidValue, lnCharNo, 1), tcValidCharSet) > 0
lcValidValue = lcValidValue + Substr(tcInvalidValue, lnCharNo,
1)
EndIf
Next
Return lcValidValue
EndFunc
Thanks
Paul Newton
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