On Dec 28, 2005, at 10:41 PM, Scott Rossi wrote:
In other words, change "ABCDEF" into "FEDCBA".
I don't know of a clever way to do this off the top of my head, but I
do know that this:
repeat for each char c in x
put c before y
end repeat
degrades _really_ badly as the size of x goes up. A 40k string on my
1ghz powerbook takes several seconds.
On the other hand, this:
repeat with i = 1 to length(x)
put char -i of x after y
end repeat
seems to degrade linearly, and a 40k string takes just 9 ticks.
This also degrades linearly, but takes five times as long as the
above solution:
put 0 into i
repeat for each char c in x
add 1 to i
put c into z[i]
end repeat
repeat with i = i down to 1
put z[i] after y
end repeat
regards,
Geoff
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