mirror of
https://github.com/NeoFlock/neonucleus.git
synced 2025-09-24 17:13:31 +02:00
61 lines
1.5 KiB
Lua
61 lines
1.5 KiB
Lua
local shell = require("shell")
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local args, options = shell.parse(...)
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if options.help then
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print([[Usage: sleep NUMBER[SUFFIX]...
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Pause for NUMBER seconds. SUFFIX may be 's' for seconds (the default),
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'm' for minutes, 'h' for hours or 'd' for days. Unlike most implementations
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that require NUMBER be an integer, here NUMBER may be an arbitrary floating
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point number. Given two or more arguments, pause for the amount of time
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specified by the sum of their values.]])
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end
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local function help(bad_arg)
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print("sleep: invalid option -- '"..tostring(bad_arg).."'")
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print("Try 'sleep --help' for more information.")
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end
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local function time_type_multiplier(time_type)
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if not time_type or #time_type == 0 or time_type == 's' then
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return 1
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elseif time_type == 'm' then
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return 60
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elseif time_type == 'h' then
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return 60 * 60
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elseif time_type == 'd' then
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return 60 * 60 * 24
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end
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-- weird error, my bad
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assert(false,'bug parsing parameter:'..tostring(time_type))
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end
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options.help = nil
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if next(options) then
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help(next(options))
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return 1
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end
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local total_time = 0
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for _,v in ipairs(args) do
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local interval, time_type = v:match('^([%d%.]+)([smhd]?)$')
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interval = tonumber(interval)
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if not interval or interval < 0 then
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help(v)
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return 1
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end
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total_time = total_time + time_type_multiplier(time_type) * interval
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end
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local ins = io.stdin.stream
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local pull = ins.pull
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local start = 1
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if not pull then
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pull = require("event").pull
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start = 2
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end
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pull(select(start, ins, total_time, "interrupted"))
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