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st: substr() addition

From   <>
Subject   st: substr() addition
Date   Mon, 30 Sep 2002 12:23:31 +0100

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....?


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