maketmpfs (OS X)

maketmpfs

#!/bin/bash

set -e

tmpfs_size=1024
tmpfs_target=$HOME/tmpfs

tmpfs_size_sectors=$(($tmpfs_size * 1024 * 1024 / 512))

tmpfs_dev=$(hdid -nomount ram://$tmpfs_size_sectors)
newfs_hfs -v "tmpfs" $tmpfs_dev
mkdir -p $tmpfs_target
mount -o noatime -t hfs $tmpfs_dev $tmpfs_target

echo "unmount with: umount $tmpfs_target && diskutil eject $tmpfs_dev"