67 lines
1.1 KiB
Lua
67 lines
1.1 KiB
Lua
-- Miscellaneous auxiliary functions.
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function form_date(days)
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_check_required(days, 'number')
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return os.date("%d-%b-%Y", os.time() - days * 60 * 60 * 24)
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end
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function get_password(prompt)
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_check_optional(prompt, 'string')
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if (prompt ~= nil) then
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io.write(prompt)
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else
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io.write('Enter password: ')
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end
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ifsys.noecho()
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local p = io.read()
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ifsys.echo()
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return p
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end
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function pipe_to(command, data)
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_check_required(command, 'string')
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_check_required(data, 'string')
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f = ifsys.popen(command, "w")
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ifsys.write(f, data)
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return ifsys.pclose(f)
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end
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function pipe_from(command)
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_check_required(command, 'string')
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f = ifsys.popen(command, "r")
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local string = ''
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while (true) do
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s = ifsys.read(f)
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if (s ~= nil) then
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string = string .. s
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else
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break
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end
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end
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return ifsys.pclose(f), string
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end
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function become_daemon(interval, commands)
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_check_required(interval, 'number')
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_check_required(commands, 'function')
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ifsys.daemon()
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repeat
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pcall(commands)
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until (ifsys.sleep(interval) ~= 0)
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end
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