Jim Lemon wrote:
>
> I got bored after the millions, but this should handle the smaller
> numbers, and you can always extend it.
>
> digits2text<-function(x,mult="") {
> units<-c("one","two","three","four","five",
> "six","seven","eight","nine")
> teens<-c("ten","eleven","twelve","thirteen","fourteen",
> "fifteen","sixteen","seventeen","eighteen","nineteen")
> tens<-c("ten","twenty","thirty","forty","fifty",
> "sixty","seventy","eighty","ninety")
> digits<-rev(as.numeric(strsplit(as.character(x),"")[[1]]))
> digilen<-length(digits)
> if(digilen == 2 && digits[2] == 1) return(teens[digits[1]+1])
> digitext<-units[digits[1]]
> if(digilen > 1) digitext<-c(digitext,tens[digits[2]])
> if(digilen > 2) digitext<-c(digitext,"hundred",units[digits[3]])
> if(digilen > 3) digitext<-
> c(digitext,digits2text(floor(x/1000),"thousand"))
> if(digilen > 6) digitext<-
> c(digitext,digits2text(floor(x/1000000),"million"))
> return(paste(c(rev(digitext),mult),sep="",collapse=" "))
> }
>
Be careful, the function does not handle "empty" fields:
> digits2text(10^6 + 10)
[1] "one million one thousand hundred thousand hundred ten "
Alberto Monteiro (today I am purely destructive)
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