--- startupRAMDiskandCacheMover.sh	2017-12-12 09:31:48.000000000 +0100
+++ /usr/local/bin/startupRAMDiskandCacheMover.sh	2017-12-12 09:50:26.000000000 +0100
@@ -16,21 +16,31 @@
 # IF YOUR RAM IS BROKEN - DO NOT USE IT.
 #
 
-# The RAM amount you want to allocate for RAM disk. One of
-# 1024 2048 3072 4096 5120 6144 7168 8192
-# By default will use 1/4 of your RAM
-
-ramfs_size_mb=$(sysctl hw.memsize | awk '{print $2;}')
-ramfs_size_mb=$(${ramfs_size_mb} / 1024 / 1024 / 4)
-
+# 
+ramfs_size_mb=500
 mount_point=/Users/${USER}/ramdisk
-ramfs_size_sectors=$("${ramfs_size_mb}"*1024*1024/512)
-ramdisk_device=$(hdid -nomount ram://"${ramfs_size_sectors}")
-USERRAMDISK="${mount_point}"
-
+USERRAMDISK=/Users/${USER}/ramdisk
 MSG_MOVE_CACHE=". Do you want me to move its cache? Note: It will close the app."
 MSG_PROMPT_FOUND="I found "
 
+umount -f /Users/${USER}/ramdisk 
+
+mkramdisk() {
+  echo "Creation ram disk"
+  ramfs_size_sectors=$((${ramfs_size_mb}*1024*1024/512))
+  echo "RAMDISK sector $ramfs_size_sectors"
+  ramdisk_dev=`hdid -nomount ram://${ramfs_size_sectors}`
+  echo "RAMDISK dev : $ramdisk_dev"
+  newfs_hfs -v 'ram disk' ${ramdisk_dev}
+  mkdir -p ${mount_point}
+  mount -o noatime -t hfs ${ramdisk_dev} ${mount_point}
+
+  echo "remove with:"
+  echo "umount ${mount_point}"
+  echo "diskutil eject ${ramdisk_dev}"
+}
+
+
 #
 # Checks for the user response.
 #
@@ -66,10 +76,7 @@
 mk_ram_disk()
 {
     # unmount if exists and mounts if doesn't
-    umount -f "${mount_point}"
-    newfs_hfs -v 'ramdisk' "${ramdisk_device}"
-    mkdir -p "${mount_point}"
-    mount -o noatime -t hfs "${ramdisk_device}" "${mount_point}"
+    mkramdisk
 
     echo "created RAM disk."
     # Hide RAM disk - we don't really need it to be annoiyng in finder.
@@ -150,11 +157,13 @@
     if [ -d "/Users/${USER}/Library/Caches/Google/Chrome" ]; then
         if user_response "${MSG_PROMPT_FOUND}" 'Chrome'"${MSG_MOVE_CACHE}" ; then
             close_app "Google Chrome"
-            /bin/mkdir -p /tmp/Google/Chrome
-            /bin/mv ~/Library/Caches/Google/Chrome/* /tmp/Google/Chrome/
-            /bin/mkdir -pv "${USERRAMDISK}"/Google/Chrome/Default
-            /bin/mv /tmp/Google/Chrome/ "${USERRAMDISK}"/Google/Chrome
-            /bin/ln -v -s -f "${USERRAMDISK}"/Google/Chrome/Default ~/Library/Caches/Google/Chrome/Default
+            rm -r -f /tmp/Google/*
+
+            /bin/mkdir -p /tmp/Google/
+            /bin/mv ~/Library/Caches/Google /tmp/Google/
+            /bin/mkdir -pv "${USERRAMDISK}"/Google/
+            /bin/mv /tmp/Google/ "${USERRAMDISK}"/Google/
+            /bin/ln -v -s -f "${USERRAMDISK}"/Google/ ~/Library/Caches/Google
             /bin/rm -rf /tmp/Google/Chrome
             # and let's create a flag for next run that we moved the cache.
             echo "";