Bitcoin Charts parser and Serial Printer (for external LCD)

#!/bin/bash
mfile=markets.json
pfile=markets.parsed.json

sudo curl http://api.bitcoincharts.com/v1/markets.json > $mfile
cat $mfile | sed -e 's/[{}]/''/g' | awk -v k="text" '{n=split($0,a,","); for (i=1; i<=n; i++) print a[i]}' > $pfile

#cat $pfile | grep btceRUR -A20 | awk -F"\"" '{ print $2 $3 }' | grep -m5 -e bid -e high -e ask -e close -e avg
cat $pfile | grep btceRUR -A20 | awk -F"\"" '{ print $2 $3 }' | grep -m1 bid | awk -F": " '{ print $2 }' > bid
cat $pfile | grep btceRUR -A20 | awk -F"\"" '{ print $2 $3 }' | grep -m1 high | awk -F": " '{ print $2 }' > high
cat $pfile | grep btceRUR -A20 | awk -F"\"" '{ print $2 $3 }' | grep -m1 ask | awk -F": " '{ print $2 }' > ask
cat $pfile | grep btceRUR -A20 | awk -F"\"" '{ print $2 $3 }' | grep -m1 close | awk -F": " '{ print $2 }' > close
cat $pfile | grep btceRUR -A20 | awk -F"\"" '{ print $2 $3 }' | grep -m1 avg | awk -F": " '{ print $2 }' > avg

#echo "bid $bid high $high"
echo "bid: $(printf "%.2f" "$(cat bid)");\
      high: $(printf "%.2f" "$(cat high)");\
      ask: $(printf "%.2f" "$(cat ask)");\
      close: $(printf "%.2f" "$(cat close)");\
      avg: $(printf "%.2f" "$(cat avg)")" > temp.file

sudo su -c 'cat temp.file > /dev/ttyACM1'

rm $mfile
rm $pfile