Transmission-Daemon Script: Pause & Resume Torrents

transmissionSleepWake.sh

#!/bin/sh

NETRC=~/.netrc.transmission
TR="transmission-remote -N $NETRC"  # command + authentication
FILE="lastrunning.list"

# accepts arguments -sleep -wake
if [ -z "$1" ]; then
  echo usage: $0 -sleep or -wake
  exit
fi

if [ "$1" = "-sleep" ]; then
  # save ID# of non-stopped torrents to array
  IDa=`$TR -l | grep -v Stopped | sed -e '1d' -e '$d' | awk '{print $1}'`
  # save unique hash# for non-stopped torrents instead of dynamic ID#
  for ID in $IDa; do
    $TR -t $ID -i | grep '^  Hash: ' | cut -c 9- >> $FILE
  done
  # pause all torrents
  $TR -t all --stop

elif [ "$1" = "-wake" ]; then
  HASHa=($(cat $FILE))
  for (( i=0;i<${#HASHa[@]};i++)); do
    $TR -t ${HASHa[${i}]} --start
  done 
  rm $FILE # delete tempfile
fi

exit

i saved this script in /home/pi
When i execute it i get:

: not foundansmission_resume.sh: 2: /home/pi/transmission_resume.sh:
: not foundansmission_resume.sh: 6: /home/pi/transmission_resume.sh:
/home/pi/transmission_resume.sh: 17: /home/pi/transmission_resume.sh: Syntax error: word unexpected (expecting "do")

THIS VERSION OF THE SCRIPT IS BROKEN

You can find a working fork on the gist by @davidsblom.