lib/Tools/getenv

Correction to Problem 24 (with unsatisfactory proof)

#!/bin/bash -norc
#
# $Id$
#
# DESCRIPTION: get value from Isabelle settings


PRG=$(basename $0)

function usage()
{
  echo
  echo "Usage: $PRG VARNAME"
  echo
  echo "  Get value of VARNAME from the Isabelle settings."
  echo
  exit 1
}


## main

[ $# -ne 1 ] && usage

eval "echo \$$1"