MacHUD.sh.save

#!/bin/sh
#functions
cd "$(dirname $0)"

printBars() {
  num=$1
  retVal=$(printf "%-${num}s" "|")
  echo "${retVal// /|}"
}
#Insert find line number function to find line number of element.

#Disk Space Calculations
usedSpace=$(df -hl | grep '/dev/disk1' | awk '{sub("%","");print $5}')
sed -i'' -e  "9s/.*/$usedSpace%/" MacHUD.html
numUsedBars=$(($usedSpace/5))
usedBars="$(printBars $numUsedBars)"
numFreeBars=$((20-$numUsedBars))
freeBars="$(printBars $numFreeBars)"
sed -i '' -e "11s/.*/<barsUsed>$usedBars<\/barsUsed><barsFree>$freeBars<\/barsFree>/" MacHUD.html


#Find Active Network Adapter(s)
#Print IP, subnet mask, gateway, DNS servers, and domain suffix
wiFiAddy="$(ifconfig en0 | awk '{ print $2}' | grep -E -o "([0-9]{1,3}[\.]){3}[0-9]{1,3}")"
sed -i '' -e "16s/.*/$wiFiAddy/" MacHUD.html

#Find External IP
#Print IP and  provider
extAddyJson="$(curl -s http://ip-api.com/json)"
isp="$(echo $extAddyJson | awk 'BEGIN { FS = "," } ; { print $5 }' | sed 's/\"//g' | sed 's/isp:/ISP: /g')"
extAddy="$(echo $extAddyJson | awk 'BEGIN { FS = "," } ; { print $9 }' | sed 's/\"//g' | sed 's/query:/IP: /g')"