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reverse of for loop

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Posted by Tkl1129 Hong Kong (43 posts) bio

Date Fri 15 Jul 2011 02:40 PM (UTC) [ quote ]

Message

I have question for "for" function.
Numberic For can


for i = 2,5 do
   print(i) -- This return 2 ..3..4..5
end --for

But I want to make a reverse


for i = 5,2 do
   print(i) -- Hope display 5..4..3..2..but fail
end --for

do there any method to achieve this?
or only do a stupid thing like


local loop1 = 5 - 2 + 1
local loop2 = 5
   for i = 1,loop1 do
   print(loop2)
   loop2 = loop2 - 1 -- display 5..4..3..2
end-for

Any other method?
Thanks~

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Posted by

Fiendish USA (848 posts)

bio Global Moderator

Date

Reply #1 on Fri 15 Jul 2011 06:48 PM (UTC) [ quote ]

Amended on Fri 15 Jul 2011 06:50 PM (UTC) by Fiendish

Message

for i=5,2,-1

the for loop has a 3rd parameter implicitly set to 1 if not used for how much to step by

http://aardwolfclientpackage.googlecode.com/

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Posted by

Tkl1129 Hong Kong (43 posts)

bio

Date

Reply #2 on Sat 16 Jul 2011 12:38 AM (UTC) [ quote ]

Message

ah..--__--"

yes...How stupid I am !!!..

Thanks~

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