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#!/bin/sh
var3="unit conversion > "
while [ "$var3" ]
do
var=$(dmenu -p "$var3"</dev/null)
var2=$(echo $var| awk '{print $1;}')
var3=
case $(echo "$var" | awk '{print $NF}') in
km)
var3="$(echo "$var2*0.6213711922" | bc) miles"
;;
mi|miles)
var3="$(echo "$var2*1.609344" | bc) km"
;;
"°C")
var3="$(echo "($var2*1.8)+32"|bc)°F"
;;
"°F")
var3="$(echo -e "scale=2\n($var2-32)/1.8"|bc)°C"
esac
done
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