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https://codeberg.org/metamuffin/abrechenbarkeit.git
synced 2024-12-27 15:44:34 +00:00
33 lines
944 B
Lua
33 lines
944 B
Lua
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local function read_log()
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local log = io.open("log", "r")
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if log == nil then
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return function() return nil end
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end
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local lines = log:lines("l")
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return function()
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local l = lines()
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if l == "" or l == nil then
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return nil
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end
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local time, username, amount, comment = string.match(l, "(%d+),([%w_ -]+),(-?%d+),([%w_ -]*)")
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return tonumber(time), username, tonumber(amount), comment
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end
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end
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local function balances()
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local users = {}
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for _, username, amount, _ in read_log() do
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users[username] = (users[username] or 0) + amount
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end
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return users
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end
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local newlog = io.open("log_collapsed","w+")
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if newlog == nil then
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return print("error failed to open log")
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end
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for username, amount in pairs(balances()) do
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newlog:write(string.format("%d,%s,%d,%s\n", os.time(), username, amount, "Collapsed transaction history"))
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end
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newlog:close()
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