Why not just :
gen str20 newdose = substr(dose,1,length(dose)-2)
Michael Blasnik
----- Original Message -----
From: <[email protected]>
Sent: Monday, September 30, 2002 7:23 AM
Subject: st: substr() addition
> Is there a better way of trucating a string variable? I just wanted to
> delete the
> last two characters of a variable and had to do use the reverse() function
>
> gen str20 newdose = reverse(substr(reverse(dose),3,.)
>
> I was wondering whether it would have been better to have the option in
> substr() to go backwards along the
> string perhaps instead of having a . having a -. :) hence instead of
going
> to the end of the string with the .
> you could actually go to the start of the string....?
>
> cheers
> Ade
>
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