View difference between Paste ID: FALaHEXU and tC30nqSZ

-#!/bin/sh
+#!/bin/bash
 ### BEGIN INIT INFO
 # Provides: zram
 # Required-Start:
 # Required-Stop:
 # Default-Start: 2 3 4 5
 # Default-Stop: 0 1 6
 # Short-Description: Increased Performance In Linux With zRam (Virtual Swap Compressed in RAM)
 # Description: Adapted from systemd scripts at https://github.com/mystilleef/FedoraZram
 # Included as part of antix-goodies package by anticapitalista <antiX@operamail.com>
 # This script was written by tradetaxfree and is found at http://crunchbanglinux.org/forums/topic/15344/zram-a-good-idea/
 # Copy this script (as root) from /usr/local/bin to /etc/init.d and then #update-rc.d zram defaults
 # After booting verify the module is loaded with: lsmod | grep zram
 ### END INIT INFO
 
 start() {
     # get the number of CPUs
     num_cpus=$(grep -c processor /proc/cpuinfo)
     # if something goes wrong, assume we have 1
     [ "$num_cpus" != 0 ] || num_cpus=1
 
     # set decremented number of CPUs
     last_cpu=$((num_cpus - 1))
 
     #default Factor % = 90 change this value here or create /etc/default/zram
     FACTOR=90
     #& put the above single line in /etc/default/zram with the value you want
 	[ -f /etc/default/zram ] && source /etc/default/zram || true
 	factor=$FACTOR # percentage
 
     # get the amount of memory in the machine
     memtotal=$(grep MemTotal /proc/meminfo | awk ' { print $2 } ')
     mem_by_cpu=$(($memtotal/$num_cpus*$factor/100*1024))
 
     # load dependency modules
     # kernels 3.4 onwards
 
     modprobe zram num_devices=$num_cpus
 
     if [ $? -gt 0 ]; then
 	  # kernels 3.1 - 3.3
       #modprobe zram zram_num_devices=$num_cpus
     #else
       echo -e "Your Kernel needs to be compiled with ZRAM support:" \
       "\n\nDevice Drivers --> Staging Drivers --> Compressed RAM block device support (M)" \
       "\nDevice Drivers --> Staging Drivers --> Dynamic compression of swap pages and clean pagecache pages (*)" \
       "\n\nThe Liquorix Kernel (http://liquorix.net) has ZRAM support built in."
       exit 1
     fi
     echo "zram devices probed successfully"
 
     # initialize the devices
     for i in $(seq 0 $last_cpu); do
     echo $mem_by_cpu > /sys/block/zram$i/disksize
     # Creating swap filesystems
     mkswap /dev/zram$i
     # Switch the swaps on
     swapon -p 100 /dev/zram$i
     done
 }
 
 stop() {
     # get the number of CPUs
     num_cpus=$(grep -c processor /proc/cpuinfo)
 
     # set decremented number of CPUs
     last_cpu=$((num_cpus - 1))
 
     # Switching off swap
     for i in $(seq 0 $last_cpu); do
     if [ "$(grep /dev/zram$i /proc/swaps)" != "" ]; then
     swapoff /dev/zram$i
     sleep 1
     fi
     done
 
     sleep 1
     rmmod zram
 }
 
 case "$1" in
     start)
         start
         ;;
     stop)
         stop
         ;;
     restart)
         stop
         sleep 3
         start
         ;;
     *)
         echo "Usage: $0 {start|stop|restart}"
         RETVAL=1
 esac
 exit $RETVAL