Lots of little tweaks about how _ works.

1 files changed, 33 insertions, 35 deletions

diff --git a/aataaj.lua b/aataaj.lua
index a92e0fb..26db4d2 100755
--- a/aataaj.lua
+++ b/aataaj.lua
@@ -118,8 +118,8 @@ if 0 ~= #args then
         _.killEmAll{'jmcore', 'qjackctl'}
         -- Catia is python, and no easy way to kill it.
         -- Also it keeps jackdbus alive, no matter how hard you kill it.
-        __("pkill -TERM -u $USER -f catia"):Do()
-        __("sleep 2"):Do()
+        __"pkill -TERM -u $USER -f catia":Do()
+        __"sleep 2":Do()
         _.killEmAll{'jackdbus', 'a2jmidid'}
         return(0)
     elseif 'JACK'         == args[1] then
@@ -149,18 +149,18 @@ end
 local asoundrcPath = '/var/lib/aataaj'
 local asoundrc = 'asoundrc'
 local GUI = 'qjackctl'
-if _.exists('catia') then GUI = 'catia' end
+if _.runnable('catia') then GUI = 'catia' end
 local alias = {
 --      {name='Screen', dev='HDMI9'},
     }
 
 local speaker = 'espeak'
-if _.exists('espeak-ng') then speaker = 'espeak-ng' end
+if _.runnable('espeak-ng') then speaker = 'espeak-ng' end
 
 local Cards = {}
 
 print('Scanning for audio devices.')
-local cards = __('ls -d1 /proc/asound/card[0-9]*'):noErr():Do()
+local cards = __'ls -d1 /proc/asound/card[0-9]*':noErr():Do()
 for  i,l in ipairs(cards.lines) do
     local f, e = io.open(l .. '/id', "r")
     if nil == f then print("Could not open " .. l .. '/id') else
@@ -182,7 +182,7 @@ for  i,l in ipairs(cards.lines) do
                 if 'JACK' ~= args[1] then
                     print('\t\tALSA_CARD=' .. i - 1 .. ' ' .. speaker .. ' "Found playback device ' .. i - 1 .. ' : ' .. Cards[l]['name'] .. ' DEVICE: ' .. Cards[l]['playbackDevs'][j] .. ' ' .. n .. '"')
                     __('ALSA_CARD=' .. i - 1  .. ' ' .. speaker .. ' "Found playback device ' .. i - 1 .. ' : ' .. Cards[l]['name'] .. ' DEVICE: ' .. Cards[l]['playbackDevs'][j] .. ' ' .. n .. '"'):noErr():Do()
-                    __('sleep 1'):Do()
+                    __'sleep 1':Do()
                 end
             end
         end
@@ -363,31 +363,29 @@ elseif 'JACK' == args[1] then
     print('')
     print("Start up JACK and friends.")
     print("jack_control")
-    __('jack_control start'):Do()
-    __('jack_control ds alsa'):Do()
+    __[[jack_control start
+        jack_control ds alsa]]:Do()
     --jack_control dps device hw:RIG,0
-    local r = __('jack_control status'):Do().status
-    while r ~= 0 do
-        print("Waiting for JACK - sleep 1")
-        __('sleep 1'):Do()
-        r = __('jack_control status'):Do().status
+    while 0 ~= __'jack_control status':Do().status do
+        print("Waiting for JACK")
+        __'sleep 1':Do()
     end
     if nil ~= GUI then
         print(GUI)
-        __(GUI):fork()
+        __(GUI):forkOnce()
     end
-    if _.exists('jack-plumbing') then
+    if _.runnable'jack-plumbing' then
         print("jack-plumbing")
-        __('jack-plumbing -o /var/lib/aataaj/jack-plumbing 2>/dev/null'):fork()
+        __'jack-plumbing -o /var/lib/aataaj/jack-plumbing 2>/dev/null':fork()
     end
-    if _.exists('a2j_control') then
+    if _.runnable'a2j_control' then
         -- Bridge ALSA ports to JACK ports.  Only handles MIDI.
         -- MIDI via a2jmidid.  The --ehw enables hardware ports as well, equal to using the seq MIDI drivare according to https://freeshell.de/~murks/posts/ALSA_and_JACK_MIDI_explained_(by_a_dummy_for_dummies)/
         --a2j_control actually starts a2jmidid.
         ----a2jmidid -e -u &
         -- I think the jack_control start and my current alsa config means a2jmidid gets started anyway.  But seem to need this bit to get the joystick covered.
         print("a2j_control")
-        __('a2j_control --ehw && a2j_control --start'):Do()
+        __'a2j_control --ehw && a2j_control --start':Do()
 --      print("sleep 2")
 --      __('sleep 2'):Do()
         print("")
@@ -395,9 +393,9 @@ elseif 'JACK' == args[1] then
 
 
     local AIN = "alsa_in"
-    if _.exists('zita-a2j') then AIN = 'zita-a2j' end
+    if _.runnable'zita-a2j' then AIN = 'zita-a2j' end
     local AOUT = "alsa_out"
-    if _.exists('zita-j2a') then AOUT = 'zita-j2a' end
+    if _.runnable'zita-j2a' then AOUT = 'zita-j2a' end
 
     print("Basic ALSA sound devices converted to JACK.")
     for  i,C in pairs(alias) do
@@ -406,15 +404,15 @@ elseif 'JACK' == args[1] then
     end
     print("HW playback: cloop\tDEVICE: cloop")
     -- No idea why, cloop wont work with zita-a2j.
-    __('alsa_in  -j cloop  -d cloop'):fork()
-    --__('sleep 1'):Do()
-    --__('jack_connect cloop:capture_1 system:playback_1'):Do()
-    --__('jack_connect cloop:capture_2 system:playback_2'):Do()
+    __'alsa_in  -j cloop  -d cloop':fork()
+    --__[[sleep 1
+    --   jack_connect cloop:capture_1 system:playback_1o()
+    --   jack_connect cloop:capture_2 system:playback_2]]:Do()
     print("HW playback: ploop\tDEVICE: ploop")
-    __('alsa_out -j ploop  -d ploop'):fork()
-    --__('sleep 1'):Do()
-    --__('jack_connect system:capture_1 ploop:playback_1'):Do()
-    --__('jack_connect system:capture_2 ploop:playback_2'):Do()
+    __'alsa_out -j ploop  -d ploop':fork()
+    --__[[sleep 1
+    --   jack_connect system:capture_1 ploop:playback_1
+    --   jack_connect system:capture_2 ploop:playback_2]]:Do()
 
 
     print("")
@@ -424,7 +422,7 @@ elseif 'JACK' == args[1] then
         for  j,c in ipairs(C['playbackDevs']) do
             print("HW playback: " .. C['name'] .. "\tDEVICE: " .. C['playbackDevs'][j])
             __(AOUT .. ' -j ' .. C['name'] .. "_" .. C['playbackDevs'][j] .. '-in -d ' .. C['name'] .. C['playbackDevs'][j]):fork()
-    --  __('sleep 1'):Do()
+    --  __'sleep 1':Do()
     --  __('jack_connect cloop:capture_1 ' .. C['name'] .. '_' .. C['playbackDevs'][j] .. '-in' .. ':playback_1'):Do()
     --  __('jack_connect cloop:capture_2 ' .. C['name'] .. '_' .. C['playbackDevs'][j] .. '-in' .. ':playback_2'):Do()
         end
@@ -435,9 +433,9 @@ elseif 'JACK' == args[1] then
     end
     print("")
 
-    if _.exists('aseqjoy') then
+    if _.runnable('aseqjoy') then
         print("Scanning for joysticks.")
-        local sticks = __('ls -1 /dev/input/js[0-9]*'):noErr():Do()
+        local sticks = __'ls -1 /dev/input/js[0-9]*':noErr():Do()
         for  i,l in ipairs(sticks.lines) do
             print("aseqjoy " .. l)
             -- Buttons switch to that numbered MIDI channel, defaults to 1.
@@ -448,14 +446,14 @@ elseif 'JACK' == args[1] then
         print("")
     end
 
-    if _.exists('jack-plumbing') then
+    if _.runnable('jack-plumbing') then
         print('Stop our jack-plumbing, eventually.')
-        __('sleep 4'):Do()
+        __'sleep 4':Do()
         _.killEmAll{"jack-plumbing"}
     end
 
-    if _.exists('~/.aataaj_JACK.lua') then
+    if _.runnable('~/.aataaj_JACK.lua') then
         print('Running users aataaj_JACK.lua')
-        __('~/.aataaj_JACK.lua'):Do()
+        __'~/.aataaj_JACK.lua':Do()
     end
 end