Bash script to download all issues of The MagPi.

magpi.sh

#!/bin/bash
#
# Creates a directory named "magpi" on your home folder and all issues are downloaded there.
# It also checks if you already have some of the issues and skips them from downloading.
# Use argument: --log OFF to disable logging. It is there because I have this script on my crontab and I needed to monitor if it running properly. For enabling logging do:
# $ sudo touch /var/log/magpi.log
# $ sudo chmod 666 /var/log/magpi.log
# That's it.
#
# Command execution is:
# magpi.sh --log [ON|OFF]
# 
# 
# 

## GLOBALS
NUMBER=1
MAGPIDIR=`pwd`"/magpi"
LOG="/var/log/magpi.log"
FLOG=$2
URL=""

## FUNCTIONS
function log {
  echo "[`date`] $1" >> $LOG
}
function fetch {
	if [ ! -f "The-MagPi-issue-$1-en.pdf" ]; then
		if [ "$FLOG" == "ON" ]; then
			log "Downloading  The MagPi Issue $1"
		fi

		URL="https://www.raspberrypi.org/magpi-issues/MagPi$(printf "%02d" $1).pdf"
		
		echo "Downloading The MagPi Issue $URL"
		curl -o "The-MagPi-issue-$1-en.pdf" $URL
	else
		if [ "$FLOG" == "ON" ]; then
			log "Already has MagPi issue $1"
		fi
	fi
	#wget --tries=5 --timeout=20 --wait=1 --waitretry=1 
}

## MAIN
if [ ! "$1" == "--log" ]; then
	echo "Command syntax is: $0 --log [ON|OFF]"
	exit 1
fi
if [ ! $2 ]; then
	echo "Command syntax is: $0 --log [ON|OFF]"
	exit 1
fi
## Check if the directory for storing exists, if not it creates it
if [ ! -d "$MAGPIDIR" ]; then
	mkdir $MAGPIDIR
fi

## Change to that directory
cd $MAGPIDIR

## Calculate number of issues so far (aprox)
ISSUE=0
declare -i MONTH=5
declare -i YEAR=2012
declare -i CMONTH=`date +%m`
declare -i CYEAR=`date +%Y`

while (( $YEAR <= $CYEAR )); do
	if [ $MONTH -eq 12 ]; then
		let MONTH=0
		let YEAR=YEAR+1
	fi
	if (( $YEAR == $CYEAR )) && (( $MONTH == $CMONTH )); then
		let ISSUE=ISSUE+1
		break
	fi
	let MONTH=MONTH+1
	let ISSUE=ISSUE+1
done

echo "Downlaod to " + $MAGPIDIR

COUNTER=1
until [ $COUNTER -ge $ISSUE ]; do
	fetch $COUNTER
	let COUNTER=COUNTER+1
done

Thanks for the script., but all the issues being downloaded has a 0kb value