check_env_var

#!/bin/bash

#VAR is then name of the variable to look for
VAR=$1

eval test=\${$VAR}


if [ "$test" == "" ]
then
  echo "Enviroment Variable $VAR has not been set"
  echo "enter value then press return"
  #CAPTURE='test'
  read -e CAPTURE

  # Set it now in the Enviroment
  #export $VAR=$CAPTURE
  #echo "export $VAR='$CAPTURE'"

  # Add to bashrc so will it be set next time
  echo "export $VAR=$CAPTURE"  >> ~/.bashrc
else
  echo "$VAR is set to $test"
fi