41 lines
929 B
Lua
41 lines
929 B
Lua
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local args = { ... }
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local modtimes = {}
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if #args == 0 then
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print("usage: runonchange [files to watch ...] -- program [args...]")
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return
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end
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while #args > 0 do
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local name = table.remove(args, 1)
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if name == "--" then break end
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modtimes[name] = -1
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end
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if #args == 0 then
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printError("No executable was given")
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return
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end
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while true do
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local shall_run = false
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for name, modtime in pairs(modtimes) do
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local modtime_new = fs.attributes(name).modified
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if modtime_new ~= modtime then
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shall_run = true
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modtimes[name] = modtime_new
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print(name .. " was modified")
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end
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end
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if shall_run then
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local succ, err = pcall(shell.run, table.unpack(args))
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if succ then
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print("Process finished successfully")
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else
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printError("Process crashed: " .. err)
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end
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end
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os.sleep(0.5)
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end
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