Add bar argument to polybar launch script

Can launch multiple polybars (defined in polybar/config file) by passing
them to the command, e.g. `polybar-launch my-bar1 my-bar2`

.config/i3/config

@@ -201,7 +201,7 @@ bindsym $mod+Shift+r restart
 exec_always --no-startup-id feh --bg-scale ~/pictures/wall.jpg
 
 # launch polybar (script ensures only 1 instance existing at a time)
-exec_always --no-startup-id polybar-launch
+exec_always --no-startup-id polybar-launch simple-top
 
 # default workspaces for most used apps
 # assign [class="^qutebrowser$"] → number 1

.config/polybar/config

@@ -45,7 +45,7 @@ throttle-input-for = 30
 margin-top = 0
 margin-bottom = 0
 
-[bar/mine]
+[bar/simple-top]
 ; Put the bar at the bottom of the screen
 bottom=false
 

.local/bin/polybar-launch

@@ -6,9 +6,13 @@ killall -q polybar
 # Wait until the processes have been shut down
 while pgrep -u $UID -x polybar >/dev/null; do sleep 1; done
 
-# Launch bar1 and bar2
-echo "---" | tee -a /tmp/polybar1.log /tmp/polybar2.log
-polybar mine >>/tmp/polybar1.log 2>&1 &
-# polybar bar2 >>/tmp/polybar2.log 2>&1 &
+startbars() {
+  for bar in "$@"; do
+    local logfile="/tmp/polybar-$bar.log"
+    printf -- "---\npolybar: %s starting...\n---\n" "$bar" | tee -a "$logfile"
+    polybar "$bar" >>"$logfile" 2>&1 &
+  done
+}
 
-echo "Polybar launched..."
+startbars "$@"
+echo "Polybars launched..."