love.filesystem.lines
Iterate over the lines in a file.
Contents
Function
Synopsis
iterator = love.filesystem.lines( name )
Arguments
string name
- The name (and path) of the file
Returns
function iterator
- A function that iterates over all the lines in the file, returning the line with newlines stripped (if the line ends with
\r\n
, both are stripped independently of the OS)
Examples
Load highscore list
local highscores = {}
for line in love.filesystem.lines("highscores.lst") do
table.insert(highscores, line)
end
Load tab separated values
local function getList (stringLine)
local list = {}
for value in (string.gmatch(stringLine, "[^%s]+")) do -- tab separated values
if type(tonumber (value)) == "number" then
table.insert (list, tonumber (value))
elseif value == "true" then
table.insert (list, true)
elseif value == "false" then
table.insert (list, false)
elseif value == "nil" then
table.insert (list, nil) -- do nothing :(
else
table.insert (list, value)
end
end
return list
end
function loadTSV (filename)
local lines = love.filesystem.lines(filename..".tsv") -- open file as lines
local tabl = {}
for line in lines do -- row iterator
local list = getList (line)
if #list == 2 then
tabl[list[1]] = list[2]
print (list[1], list[2])
elseif #list > 2 then
local list2 = {}
for i = 2, #list do
table.insert (list2, list[i])
end
tabl[list[1]] = list2
print (list[1], table.concat2 (list2, ', '))
end
end
return tabl
end
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