Util to create a RAMDisk on a Mac

Signed-off-by: Pedro Melo <[email protected]>

Author: melo

bin/x-mac-ramdisk

@@ -0,0 +1,18 @@
+#!/bin/bash
+#
+# Creates a RAM disk in Mac OS X
+#
+# Copied from http://pastie.textmate.org/private/igcxuzqqvlmlbavxooj2uw
+# by @antirez
+
+ramfs_size_mb=1024
+mount_point=~/volatile
+
+ramfs_size_sectors=$((${ramfs_size_mb}*1024*1024/512))
+ramdisk_dev=`hdid -nomount ram://${ramfs_size_sectors}`
+newfs_hfs -v 'Volatile' ${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}"