diff -urN v9/gui.py v10/gui.py
--- v9/gui.py	2020-01-27 21:45:06.000000000 +0900
+++ v10/gui.py	1970-01-01 09:00:00.000000000 +0900
@@ -1,226 +0,0 @@
-#!/usr/bin/env python
-
-import sys
-import threading
-from decimal import Decimal
-import wx
-import thr
-import io_ut
-import dbg
-
-def wrap( lsts, border=4 ):
-	vsz = wx.BoxSizer(wx.VERTICAL)
-	for lst in lsts:
-		hsz = wx.BoxSizer(wx.HORIZONTAL)
-		for o in lst:
-			flag = wx.LEFT | ( wx.RIGHT if o == lst[-1] else 0 )
-			flag |= wx.ALIGN_CENTER_VERTICAL
-			hsz.Add(o, 0, flag, border)
-		flag = wx.TOP | ( wx.BOTTOM if lst == lsts[-1] else 0 )
-		vsz.Add( hsz, 0, flag, border )
-	return vsz
-
-def set_min_w(o, w):
-	o.SetMinSize((w, -1))
-
-cls_evt_dic = {
-	wx.Button: wx.EVT_BUTTON,
-	wx.ToggleButton: wx.EVT_TOGGLEBUTTON,
-	wx.CheckBox: wx.EVT_CHECKBOX,
-	wx.Choice: wx.EVT_CHOICE,
-}
-
-def init(app, title):
-	rdr = io_ut.reader_new( sys.stdin, 1, no_buf=True )
-
-	lock = threading.Lock()
-
-	def comm(cmd, rep_func=None):
-		lock.acquire()
-		if cmd:
-			dbg.out(cmd)
-		rep = None
-		if rep_func:
-			while rep == None:
-				rep = rep_func()
-				if rep == '':
-					break
-		lock.release()
-		return rep
-
-	while True:
-		s = comm('', rdr.readline)
-		if s == 'ready\n':
-			break
-		if not s:
-			sys.exit(1)
-
-	frame = wx.Frame(None, wx.ID_ANY, title)
-
-	obj_cls_dic = {}
-	def wx_new(cls, *args, **kwds):
-		(k, w) = ('min_w', -1)
-		if k in kwds:
-			w = kwds.pop(k)
-		o = cls( frame, wx.ID_ANY, *args, **kwds )
-		if w != -1:
-			set_min_w(o, w)
-		obj_cls_dic[o] = cls
-		return o
-
-	def bind_o(o, hdl):
-		cls = obj_cls_dic.get(o)
-		evt = cls_evt_dic.get(cls)
-		if evt:
-			frame.Bind(evt, hdl, o)
-
-	def bind_objs(objs, hdl):
-		for o in objs:
-			bind_o(o, hdl)
-
-	play_lbs = ( ' Play |>', ' Play <|', 'Pause ||' )
-	btn_play = wx_new( wx.ToggleButton, play_lbs[0], min_w=104 )
-	lb_pause = play_lbs[-1]
-	is_play = lambda : btn_play.GetValue()
-
-	cbox_reverse = wx_new( wx.CheckBox, 'reverse' )
-	is_reverse = lambda : cbox_reverse.GetValue()
-
-	speed_lbs = ('x4', 'x2', 'x1', 'x0.5')
-	menu_speed = wx_new( wx.Choice, choices=speed_lbs )
-	#menu_speed.SetSelection(2)
-	menu_speed.SetStringSelection('x1')
-	shifts = (2, 1, 0, -1)
-	get_shift = lambda : shifts[ menu_speed.GetSelection() ]
-
-	btn_rw = wx_new( wx.Button, '<<', min_w=50 )
-	btn_ff = wx_new( wx.Button, '>>', min_w=50 )
-
-	btn_div = wx_new( wx.Button, '', min_w=50 )
-	btn_div.Enable(False)
-	area = wx_new( wx.StaticText, '-/-', min_w=50 )
-
-	def div_update():
-		cmd = 'dbg.out( snd.div_join_label() )'
-		s = comm(cmd, rdr.readline).strip()
-		btn_div.SetLabel(s)
-		en = (s != '')
-		btn_div.Enable(en)
-
-	def area_update():
-		cmd = 'dbg.out("{}".format( snd.curr_area() ) )'
-		s = comm(cmd, rdr.readline).strip()
-		area.SetLabel(s)
-
-	pos = wx_new( wx.StaticText, '-', min_w=50 )
-	def pos_update():
-		cmd = 'dbg.out("{}".format( snd.get_sec() ) )'
-		s = comm(cmd, rdr.readline).strip()
-		s = str( Decimal(s).quantize( Decimal('.01') ) )
-		wx.CallAfter( pos.SetLabel, s )
-
-	btn_save = wx_new( wx.Button, 'save', min_w=50 )
-
-	def save():
-		dlg = wx.FileDialog( frame, style=wx.FD_SAVE )
-		ret = dlg.ShowModal()
-		dlg.Destroy()
-		if ret != wx.ID_OK:
-			return
-
-		name = dlg.GetPath()
-		s = area.GetLabel()
-		s = s.split('/')[0]
-		i = ( 1 if s == '-' else int(s) ) - 1
-		cmd = 'snd.save({}, "{}")'.format(i, name)
-
-		def do_save():
-			s = comm(cmd, rdr.readline) # skip 'OK'
-			frame.Enable(True)
-
-		frame.Enable(False)
-		wx.CallAfter(do_save)
-
-	pos_ev = threading.Event()
-	def th_func():
-		tmout = 0.2 if is_play() else None
-		pos_ev.wait(tmout)
-		pos_ev.clear()
-		pos_update()
-		wx.CallAfter(area_update)
-
-	th = thr.loop_new(th_func)
-	def th_stop():
-		th.quit_ev.set()
-		pos_ev.set()
-		th.stop()
-	th.start()
-
-
-	def lb_update():
-		lb = lb_pause if is_play() else play_lbs[ 1 if is_reverse() else 0 ]
-		btn_play.SetLabel(lb)
-
-	def hdl(evt):
-		o = evt.GetEventObject()
-		if o in ( btn_play, cbox_reverse ):
-			lb_update()
-		s = ''
-		if o == btn_play:
-			s = 'snd.{}()'.format( 'start' if is_play() else 'stop' )
-		elif o == cbox_reverse:
-			s = 'snd.reverse={}'.format( o.GetValue() )
-		elif o == menu_speed:
-			s = 'snd.shift={}'.format( get_shift() )
-		elif o == btn_div:
-			s = 'snd.div_join()'
-		elif o == btn_rw:
-			s = 'snd.rw()'
-		elif o == btn_ff:
-			s = 'snd.ff()'
-		elif o == btn_save:
-			save()
-
-		if o in (cbox_reverse, menu_speed, btn_rw, btn_ff) and is_play():
-			s = '\n'.join( ( 'snd.stop()', s, 'snd.start()' ) )
-		if s:
-			comm(s)
-		if o in (btn_play, btn_div, btn_rw, btn_ff):
-			pos_ev.set()
-			wx.CallAfter( div_update )
-			wx.CallAfter( area_update )
-
-	def quit_hdl(evt):
-		dbg.err('quit')
-		th_stop()
-		wx.Exit()
-
-	objs = (
-		btn_rw, btn_play, btn_ff,
-		cbox_reverse, menu_speed,
-		btn_div, btn_save,
-	)
-	bind_objs(objs, hdl)
-	frame.Bind( wx.EVT_CLOSE, quit_hdl )
-
-	szr = wrap( [
-		(btn_rw, btn_play, btn_ff),
-		(cbox_reverse, menu_speed),
-		(pos, btn_div, area, btn_save),
-	] )
-	frame.SetSizer(szr)
-	frame.Layout()
-	frame.Fit()
-	app.SetTopWindow(frame)
-	frame.Show()
-
-def wx_run(title=''):
-	class MyApp(wx.App):
-		def OnInit(self):
-			init(self, title)
-			return 1
-	MyApp(0).MainLoop()
-
-if __name__ == "__main__":
-	wx_run('snd')
-# EOF
diff -urN v9/snddiv.py v10/snddiv.py
--- v9/snddiv.py	2020-01-27 21:45:06.000000000 +0900
+++ v10/snddiv.py	2020-02-01 12:37:41.000000000 +0900
@@ -12,6 +12,7 @@
 import thr
 import io_ut
 import dbg
+import arg
 
 silent = False
 
@@ -286,28 +287,24 @@
 
 	return empty.to_attr( e, locals() )
 
-def get_args():
-	def get_idx_pop(av, k):
-		if k in av:
-			i = av.index(k)
-			av.pop(i)
-			return i
-		return -1
-
-	av = sys.argv[1:]
-	k = '-S'
-	sudo_passwd = ''
-	try:
-		i = get_idx_pop(av, k)
-		if i >= 0:
-			sudo_passwd = av.pop(i)
-		silent = ( get_idx_pop(av, '-silent') >= 0 )
-		return ( av[0], sudo_passwd, silent )
-	except:
-		dbg.err_exit( 'Usage: {} [-S sudo_passwd] [-silent] filename_mp3'.format( sys.argv[0], k ) )		
-
 if __name__ == "__main__":
-	( filename_mp3, sudo_passwd, silent ) = get_args()
+	a = arg.new()
+	if a.is_pop('-g'):
+		cmd1 = 'python -m snddiv_gui'
+
+		av = a.get_av()
+		k = '-silent'
+		if k not in av:
+			av.append(k)
+		cmd2 = 'python -m snddiv ' + ' '.join(av)
+		cmd_ut.call_stdio_conn(cmd1, cmd2)
+		sys.exit(0)
+
+	sudo_passwd = a.pop_str('-S')
+	silent = a.is_pop('-silent')
+	filename_mp3 = a.pop()
+	if not filename_mp3:
+		dbg.err_exit( 'Usage: {} [-g] [-S sudo_passwd] [-silent] filename_mp3'.format( sys.argv[0] ) )
 
 	dbg_out = lambda s, tail='\n': None if silent else dbg.out
 
diff -urN v9/snddiv.sh v10/snddiv.sh
--- v9/snddiv.sh	2020-01-27 21:45:17.000000000 +0900
+++ v10/snddiv.sh	1970-01-01 09:00:00.000000000 +0900
@@ -1,10 +0,0 @@
-#!/bin/bash
-
-if [ $# == 0 ]; then
-  echo Usage: $0 [-S sudo_pass] filename_mp3
-  exit 1
-fi
-
-./stdio.sh ./gui.py "./snddiv.py -silent $*"
-
-# EOF
diff -urN v9/snddiv_gui.py v10/snddiv_gui.py
--- v9/snddiv_gui.py	1970-01-01 09:00:00.000000000 +0900
+++ v10/snddiv_gui.py	2020-02-01 12:37:41.000000000 +0900
@@ -0,0 +1,226 @@
+#!/usr/bin/env python
+
+import sys
+import threading
+from decimal import Decimal
+import wx
+import thr
+import io_ut
+import dbg
+
+def wrap( lsts, border=4 ):
+	vsz = wx.BoxSizer(wx.VERTICAL)
+	for lst in lsts:
+		hsz = wx.BoxSizer(wx.HORIZONTAL)
+		for o in lst:
+			flag = wx.LEFT | ( wx.RIGHT if o == lst[-1] else 0 )
+			flag |= wx.ALIGN_CENTER_VERTICAL
+			hsz.Add(o, 0, flag, border)
+		flag = wx.TOP | ( wx.BOTTOM if lst == lsts[-1] else 0 )
+		vsz.Add( hsz, 0, flag, border )
+	return vsz
+
+def set_min_w(o, w):
+	o.SetMinSize((w, -1))
+
+cls_evt_dic = {
+	wx.Button: wx.EVT_BUTTON,
+	wx.ToggleButton: wx.EVT_TOGGLEBUTTON,
+	wx.CheckBox: wx.EVT_CHECKBOX,
+	wx.Choice: wx.EVT_CHOICE,
+}
+
+def init(app, title):
+	rdr = io_ut.reader_new( sys.stdin, 1, no_buf=True )
+
+	lock = threading.Lock()
+
+	def comm(cmd, rep_func=None):
+		lock.acquire()
+		if cmd:
+			dbg.out(cmd)
+		rep = None
+		if rep_func:
+			while rep == None:
+				rep = rep_func()
+				if rep == '':
+					break
+		lock.release()
+		return rep
+
+	while True:
+		s = comm('', rdr.readline)
+		if s == 'ready\n':
+			break
+		if not s:
+			sys.exit(1)
+
+	frame = wx.Frame(None, wx.ID_ANY, title)
+
+	obj_cls_dic = {}
+	def wx_new(cls, *args, **kwds):
+		(k, w) = ('min_w', -1)
+		if k in kwds:
+			w = kwds.pop(k)
+		o = cls( frame, wx.ID_ANY, *args, **kwds )
+		if w != -1:
+			set_min_w(o, w)
+		obj_cls_dic[o] = cls
+		return o
+
+	def bind_o(o, hdl):
+		cls = obj_cls_dic.get(o)
+		evt = cls_evt_dic.get(cls)
+		if evt:
+			frame.Bind(evt, hdl, o)
+
+	def bind_objs(objs, hdl):
+		for o in objs:
+			bind_o(o, hdl)
+
+	play_lbs = ( ' Play |>', ' Play <|', 'Pause ||' )
+	btn_play = wx_new( wx.ToggleButton, play_lbs[0], min_w=104 )
+	lb_pause = play_lbs[-1]
+	is_play = lambda : btn_play.GetValue()
+
+	cbox_reverse = wx_new( wx.CheckBox, 'reverse' )
+	is_reverse = lambda : cbox_reverse.GetValue()
+
+	speed_lbs = ('x4', 'x2', 'x1', 'x0.5')
+	menu_speed = wx_new( wx.Choice, choices=speed_lbs )
+	#menu_speed.SetSelection(2)
+	menu_speed.SetStringSelection('x1')
+	shifts = (2, 1, 0, -1)
+	get_shift = lambda : shifts[ menu_speed.GetSelection() ]
+
+	btn_rw = wx_new( wx.Button, '<<', min_w=50 )
+	btn_ff = wx_new( wx.Button, '>>', min_w=50 )
+
+	btn_div = wx_new( wx.Button, '', min_w=50 )
+	btn_div.Enable(False)
+	area = wx_new( wx.StaticText, '-/-', min_w=50 )
+
+	def div_update():
+		cmd = 'dbg.out( snd.div_join_label() )'
+		s = comm(cmd, rdr.readline).strip()
+		btn_div.SetLabel(s)
+		en = (s != '')
+		btn_div.Enable(en)
+
+	def area_update():
+		cmd = 'dbg.out("{}".format( snd.curr_area() ) )'
+		s = comm(cmd, rdr.readline).strip()
+		area.SetLabel(s)
+
+	pos = wx_new( wx.StaticText, '-', min_w=50 )
+	def pos_update():
+		cmd = 'dbg.out("{}".format( snd.get_sec() ) )'
+		s = comm(cmd, rdr.readline).strip()
+		s = str( Decimal(s).quantize( Decimal('.01') ) )
+		wx.CallAfter( pos.SetLabel, s )
+
+	btn_save = wx_new( wx.Button, 'save', min_w=50 )
+
+	def save():
+		dlg = wx.FileDialog( frame, style=wx.FD_SAVE )
+		ret = dlg.ShowModal()
+		dlg.Destroy()
+		if ret != wx.ID_OK:
+			return
+
+		name = dlg.GetPath()
+		s = area.GetLabel()
+		s = s.split('/')[0]
+		i = ( 1 if s == '-' else int(s) ) - 1
+		cmd = 'snd.save({}, "{}")'.format(i, name)
+
+		def do_save():
+			s = comm(cmd, rdr.readline) # skip 'OK'
+			frame.Enable(True)
+
+		frame.Enable(False)
+		wx.CallAfter(do_save)
+
+	pos_ev = threading.Event()
+	def th_func():
+		tmout = 0.2 if is_play() else None
+		pos_ev.wait(tmout)
+		pos_ev.clear()
+		pos_update()
+		wx.CallAfter(area_update)
+
+	th = thr.loop_new(th_func)
+	def th_stop():
+		th.quit_ev.set()
+		pos_ev.set()
+		th.stop()
+	th.start()
+
+
+	def lb_update():
+		lb = lb_pause if is_play() else play_lbs[ 1 if is_reverse() else 0 ]
+		btn_play.SetLabel(lb)
+
+	def hdl(evt):
+		o = evt.GetEventObject()
+		if o in ( btn_play, cbox_reverse ):
+			lb_update()
+		s = ''
+		if o == btn_play:
+			s = 'snd.{}()'.format( 'start' if is_play() else 'stop' )
+		elif o == cbox_reverse:
+			s = 'snd.reverse={}'.format( o.GetValue() )
+		elif o == menu_speed:
+			s = 'snd.shift={}'.format( get_shift() )
+		elif o == btn_div:
+			s = 'snd.div_join()'
+		elif o == btn_rw:
+			s = 'snd.rw()'
+		elif o == btn_ff:
+			s = 'snd.ff()'
+		elif o == btn_save:
+			save()
+
+		if o in (cbox_reverse, menu_speed, btn_rw, btn_ff) and is_play():
+			s = '\n'.join( ( 'snd.stop()', s, 'snd.start()' ) )
+		if s:
+			comm(s)
+		if o in (btn_play, btn_div, btn_rw, btn_ff):
+			pos_ev.set()
+			wx.CallAfter( div_update )
+			wx.CallAfter( area_update )
+
+	def quit_hdl(evt):
+		dbg.err('quit')
+		th_stop()
+		wx.Exit()
+
+	objs = (
+		btn_rw, btn_play, btn_ff,
+		cbox_reverse, menu_speed,
+		btn_div, btn_save,
+	)
+	bind_objs(objs, hdl)
+	frame.Bind( wx.EVT_CLOSE, quit_hdl )
+
+	szr = wrap( [
+		(btn_rw, btn_play, btn_ff),
+		(cbox_reverse, menu_speed),
+		(pos, btn_div, area, btn_save),
+	] )
+	frame.SetSizer(szr)
+	frame.Layout()
+	frame.Fit()
+	app.SetTopWindow(frame)
+	frame.Show()
+
+def wx_run(title=''):
+	class MyApp(wx.App):
+		def OnInit(self):
+			init(self, title)
+			return 1
+	MyApp(0).MainLoop()
+
+if __name__ == "__main__":
+	wx_run('snd')
+# EOF
diff -urN v9/stdio.sh v10/stdio.sh
--- v9/stdio.sh	2020-01-27 21:45:06.000000000 +0900
+++ v10/stdio.sh	1970-01-01 09:00:00.000000000 +0900
@@ -1,12 +0,0 @@
-#!/bin/bash
-rm -f fifo
-mkfifo fifo
-
-# for debug
-#$1 < fifo | $2 | tee fifo
-
-$1 < fifo | $2 > fifo
-
-rm -f fifo
-# EOF
-