29 lines
632 B
Lua
29 lines
632 B
Lua
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-- Created by Jef Roosens
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--
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-- Useful functions for receiving input from the user
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local module = {}
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module.logger = require("jlib.log").Logger:new{level = -1}
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-- Read an integer
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--
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-- @param prompt prompt string to show
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-- @param negative wether or not the number can be negative; defaults to false
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function module.read_int(prompt, negative)
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while true do
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write(prompt)
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local num = tonumber(read())
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if num and num >= 0 or not negative then
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module.logger:info("Input: " .. num)
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return num
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end
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print("Please enter a valid number.")
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end
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end
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return module
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