UNIX for Dummies Questions & Answers

input=inputfilepj3
output=outfilepj3
 
echo "*** Converting between the different temperature scales ***"
echo "1. Convert Celsius temperature into Fahrenheit"
echo "2. Convert Fahrenheit temperature into Celsius"
echo "Select your choice (1-2): "
read choice
case "$choice" in
1)
   echo "Centigrade Temperature      Fahrenheit Temperature " > ${output};
   echo "-----------------------      -----------------------" >> ${output}
   CtoF $var
;;
2)
   echo "Fahrenheit Temperature      Centigrade Temperature " > ${output}
   echo "-----------------------      -----------------------" >> ${output}
   FtoC $var
;;
*)
   echo "Please select 1 or 2"
   exit 1
esac

 
echo -e "******************Calculating Celsius into Fahrenheit********"
 
echo -n "Enter temperature (C) : "
read tc
# formula Tf=(9/5)*Tc+32
tf=$(echo "scale=2;((9/5) * $tc) + 32" |bc)
echo "$tc C = $tf F"

 
echo -e "**************Calculating Fahrenheit into Celsius*********"
 
echo -n "Enter temperature (F) : "
read tf
#formula Tc=(5/9)*(Tf-32)
tc=$(echo "scale=2;(5/9)*($tf-32)" |bc)
echo "$tf = $tc"