Add Qt assistant bash helper.

.bash_aliases

@@ -25,9 +25,16 @@ else
   alias ,plasmashell='plasmashell --replace &> /dev/null &'
   alias ,swap='sudo swapoff -a && sudo swapon -a'
   alias ,vbox="ps aux www |grep 'VBoxClient --draganddrop' | awk '{print $2}' | xargs kill"
-  alias ,assistant="nohup $HOME/Qt/6.9.0/gcc_64/bin/assistant > /dev/null 2>&1 &"
 fi
 
+# $1: Version
+# $2: Path to Qt; defaults to $HOME/Qt
+function assistant {
+  local version=${1:-6\.7\.3}
+  local path=${2:-$HOME/Qt}
+  nohup ${path%/}/$version/gcc_64/bin/assistant > /dev/null 2>&1 &
+}
+
 # colored GCC warnings and errors
 #export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'