slight code cleanup

pulseaudio-tcp.bash_completion

@@ -1,40 +1,36 @@
 _pulseaudio_tcp_completions() {
   local \
-    all_commands \
+    command_list \
-    all_options \
     command_pattern \
     commands \
     cur \
-    delete \
+    option_list \
-    options
+    options \
+    word
 
   options=( "--debug" "--help" "--nogui" )
   commands=( "start" "stop" "status" "setup" "restart" )
 
   cur=${COMP_WORDS[COMP_CWORD]}
 
-  for delete in "${COMP_WORDS[@]}" ; do
+  for word in "${COMP_WORDS[@]}" ; do
-    [[ $delete = "$cur" ]] && continue
+    [[ $word = "$cur" ]] && continue
-    options=("${options[@]/$delete}")
+    options=("${options[@]/$word}")
-    commands=("${commands[@]/$delete}")
+    commands=("${commands[@]/$word}")
   done
 
-  all_options="${options[*]}"
+  option_list="${options[*]}"
 
   printf -v command_pattern "%s|" "${commands[@]}"
   command_pattern="(${command_pattern%?})"
 
   if [[ ${COMP_WORDS[*]} =~ $command_pattern ]] ; then
-    all_commands=""
+    command_list=""
   else
-    all_commands="${commands[*]}"
+    command_list="${commands[*]}"
   fi
 
-  mapfile -t COMPREPLY < <(
+  mapfile -t COMPREPLY < <( compgen -W "$option_list $command_list" -- "$cur")
-    compgen \
-        -W "$all_options $all_commands" \
-        -- "$cur"
-  )
 
   return 0
 }