Problem using love.filesystem.read

[lordlight7]

I need to read numbers from a text file to load the enemy table.The first number is the number of enemies so i did :

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enemynumber=love.filesystem.read("enemies.ini")

also tried

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enemynumber=love.filesystem.read("enemies.ini", "*number")

-got this from a lua tutorial
I get no errors here but when i try to

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for i=1,enemynumber do

i get the error :

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for limit must be a number

The enemies.ini looks like

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3
100 200
300 400
500 600

[Robin]

You are trying to read the whole file, so that doesn't work.

You could use love.filesystem.lines:

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enemies = {}

for line in love.filesystem.lines("enemies.ini") do
   enemies[#enemies + 1] = line -- and parse the line
end

If you do that, you need to remove the first line (the one that says "3").

Another option is to use Lua:

enemies.lua:

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return {
{100, 200},
{300, 400},
{500, 600},
}

main.lua:

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enemies = love.filesystem.load('enemies.lua')()

Hope that helps.

[lordlight7]

The 100;200 and 300;400 and 500;600 are the x and y for my enemies.
So how can i parse the line to get something like

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for line in love.filesystem.lines("enemies.ini") do
   enemy = {} 
   enemy.x = ?
  enemy.y = ? 
  table.insert(enemies,enemy)
end

[bartbes]

There are two reasons this goes wrong, first of all, you're reading the entire file, when you really only want to be reading the first line (you should probably take a look at love.filesystem.lines, maybe that'll allow you to skip the number of lines altogether).
And second, the result of a read is always a string, and for wants a number, thankfully, there's tonumber.

EDIT: Posted in the other topic (!), merged them now.

[Robin]

You will want to use Lua for that. We all do. Just sayin'.

In the meanwhile, you could use:

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for line in love.filesystem.lines("enemies.ini") do
       local x, y = line:match '(%d*);(%d*)%W*'
       local enemy = {x = tonumber(x), y = tonumber(y)} -- that shouldn't be global
      table.insert(enemies,enemy)
end

See string.match.

But really, using Lua for your enemies file will make things a lot less complicated, especially later on.

[lordlight7]

i also tried with io.read

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io.input("enemies.ini/lua")
enemynumber=tonumber(io.read("*number"))

before posting this

thanks for the help anyway,i will try everything later,no time now ..
+karma