#!/bin/bash
# usage:
#   ramdisk_gimme <Size like 2G 5G 512M>
mount_point=/ramdisk
default_size=2G
mode=1777

if [ ! -d $mount_point ]; then
    echo "$mount_point doensnt exist, creating..."
    sudo mkdir -p $mount_point
fi

if [ -z "$1" ]; then
    echo "Using default ramdisk size of $default_size"
    ramdisk_size=$default_size
else
    ramdisk_size=$1
fi

sudo mount -t tmpfs -o rw,nodev,size=$ramdisk_size,mode=$mode tmpfs /ramdisk