32 lines
738 B
Lua
Executable File
32 lines
738 B
Lua
Executable File
#!/usr/bin/env lua
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-- vim: set noexpandtab :miv --
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local function parse_time(str)
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local target = os.date("*t")
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if type(str)=="string" then
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local hour, min, sec = (str):match '(%d*):?(%d*):?(%d*)'
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if hour and min and sec then
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target.hour = tonumber(hour) or 0
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target.min = tonumber(min) or 0
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target.sec = tonumber(sec) or 0
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end
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end
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return os.time(target)
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end
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local final, start = ...
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local final = parse_time(final)
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local start = parse_time(start)
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io.stderr:write('Counting down to: '..os.date("%T", final)..'\n')
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io.stderr:write(' from: '..os.date("%T", start)..'\n')
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while true do
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print(os.difftime(os.time(), start)/os.difftime(final, start) * 100)
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if not os.execute 'sleep 1' then break end
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end
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