File: checkEnvironment

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#!/bin/csh

# This script is used to check an environment variable.  It
# takes two arguments:
#  variable name
#  value
#
# If the second argument is "", then we assume the caller did
# not set the variable properly and we exit with a status of 1
#
# For example:  checkEnvironment DICOM_LIBSRC $DICOM_LIBSRC

if ($1 == "") then
  echo "Usage: <variable name> <variable value>
  exit 2
endif

if ($2 == "") then
  echo No value set for $1
  exit 1
endif

exit 0