########################################
# Get Amateur Radio Newsline (Podcast) #
########################################
# It used to be very simple.  The latest editon was always available at: 
# ftp://ftp.arnewsline.org/quincy/News/news.mp3
# In 2011 the Newsline website was revamped to support RSS.  This is great
# for users, but less straight forward for automated downloading.
# The latest newsline can now be found here: 
# http://arnewsline.org/storage/audio/news.mp3

/usr/bin/lynx -source http://www.arnewsline.org > ardump || error
echo " Download Completed"
line=`cat ardump | grep -i mp3 | head -n1`
	f=1
	while true ; do
	   arfile=`echo $line | cut -d"\"" -f$f`
	   if [ -z `echo $arfile | grep -i mp3` ]; then
	      let f+=1
	    else
	      break
	   fi
	done
	echo "Found :- $arfile in index text."
	arfile=`echo $arfile | cut -d "/" -f4`
#	arfile=`cat ardump | grep -i mp3 | head -n1 | cut -d"\"" -f6 | cut -d"/" -f4`
        echo -n "File to download = "$arfile
	/usr/bin/wget http://www.arnewsline.org/storage/audio/$arfile > /dev/null 2>&1 || error
        echo " Download Completed"
	edition=${arfile:4:4}
        echo "Edition number determined to be - <"$edition">"
	writelog "Download AR Newsline Edition-$edition  ...   [ COMPLETED ]"
	echo "Located "$NEWS"/"$arfile" -"
	echo "  Saving as "$NEWS"/arnl.mp3 for playback."
	mv $arfile arnl.mp3
	rm -f ardump
        if [ "$archive" = "yes" ]; then
	  echo "  Saving copy to archives -   [ Checking ]"
	  if [ -f $archiveloc/$arfile ] ; then
	    echo "ERROR.. "$arfile" already archived!"
	    echo "        Script aborting..."
	    writelog "News Archive ERROR - "$arfile" - Programme Exists"
	    exit 1
	  fi
	  cp  arnl.mp3 $archiveloc/$arfile          # Archive the audio program
	  writelog "News Archive "$arfile"   ...   [ COMPLETED ]"
	fi
	echo " Processing $arfile Completed..." ;;
#
# To Do:
# Break the file into 2.5 min chunks for over the air play back (allow 
# time out timers to reset.
#
# http://mp3splt.sourceforge.net
#
#http://mp3splt.sourceforge.net/mp3splt_page/documentation/man.html
#
# -t TIME[>MIN_TIME]
#    Time mode. This option will create an indefinite number of smaller 
# files with a fixed time length specified by TIME (which has the same 
# format described above). It is useful to split long files into smaller 
# (for example with the time length of a CD). Adjust option (-a) can be 
# used to adjust splitpoints with silence detection. >MIN_TIME can be used 
# to specify the theoretical minimum track length of the last segment; it 
# allows avoiding to create very small files as the last segment. Make 
# sure to quote the argument when using MIN_TIME - "TIME>MIN_TIME". 
mp3splt -t 2.3 -a -gap=30 -O 0.0 -o segment@n news.mp3
##########################################################################
# Play back script starts here:           #
# Uses irlp keying binaries:              #
# ftp://irlp.net/pub/irlpv2.0/Bin_ARM.tgz #
# Or direct gpio calls with wiring pi:    #
# https://github.com/WiringPi/WiringPi    #
###########################################
key 
#gpio write 17 1
mpg123 segment01.mp3
unkey
#gpio write 17 0
sleep 1
key
#gpio write 17 1
mpg123 segment02.mp3
unkey
#gpio write 17 0
# etc