#!/bin/csh -f
#
# 

set env1=""
set env2="" 

switch ($#argv) 
   0: 
     breaksw
   1:
     set env1="$1"
     breaksw
   default:
       set env1="$1"
       set env2="$2"
     breaksw
endsw

if ($env2 == "") then 
   printenv | grep -i "$env1" 
else
    set trans=`printenv | cut -f1 -d"=" | grep -i "$env1"`
   foreach tt ($trans)
      echo_env $tt "$env2"
   end
    echo_env 
endif


exit
