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Why isn't my string printing properly with using string.format?
Hi!
I'm attempting to format a string using the text [[ ]] thing. I have come across unexpected behavior that I don't know how to solve.
local a = [[Potatos = %s Carrots = %s ]] -- This is a multi-line text. string.format(a, "YES", "NO") -- Format the a string with string. print(a) -- Result: -- Potatos = %s --Carrots = %s --Expected result: -- Potatos = YES -- Carrots = NO
How would I get this to print like this? I've looked at so many wiki articles and nothing seems to be working.
Thanks, Nathan.
1 answer
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2
Your problem is that you aren't updating the 'a' variable. String functions will not update the environment for you, you have to redefine it yourself.
local a = [[Potatos = %s Carrots = %s ]] a = string.format(a,"YES","NO") print(a)
This can be shortened as well.
print(tostring([[Potatoes = %s
Carrots = %s]]):format("YES","NO"))
1
(Minor) To be even shorter, you can take out the word 'tostring' (though you still need the parentheses). It should end with a newline to be consistent with the string block, though chess123mate 5873 — 6y
0
Fantastic answer! Thank you very much, can't believe it was that simple. WelpNathan 307 — 6y