mkramdisk

~>cat mkramdisk
#! /bin/sh

if [ -f ramdisk.gz ]; then
  rm -f ramdisk.gz
fi

 

if [ -f $1/bin/busybox ]; then
  echo "find folder $1, begin work..."
else
  echo "folder $1 NOT EXIST, exit"
  exit
fi

dd if=/dev/zero of=ramdisk bs=1024 count=4096

 

losetup /dev/loop1 ramdisk

 

mkfs.ext2 /dev/loop1

 

mount /dev/loop1 /mnt

 

cp -r $1/* /mnt

 

umount /mnt

 

gzip ramdisk

 

losetup -d /dev/loop1