add the script

aur.sh

@@ -0,0 +1,23 @@
+#!/bin/sh	
+
+echo -n "Enter your desired AUR package: "
+read pkg
+
+aurpkgdir=/tmp/aurpkg
+aurpkg="${pkg}.tar.gz"
+pwd=$(pwd)
+
+mkdir -p "$aurpkgdir" && cd "$aurpkgdir"
+
+curl -o "$aurpkg" "https://aur.archlinux.org/cgit/aur.git/snapshot/${aurpkg}"
+
+if [ "$?" = "0" ]; then
+  tar xvf "${aurpkg}"
+  cd "${pkg}"
+  makepkg -si
+  cd "$pwd"
+else
+   echo 'Package not found.  Are you sure it is in the AUR?'
+   cd "$pwd"
+   exit 1
+fi