#!/bin/csh -f
# Usage: emptyc file ...

umask 66

set dummytext = 'This is dummy text for an "empty" encrypted file'

foreach base ($*)
  set file = $base.e
  if (-e $file) rm -i $file
  if (! -e $file) then
    echo -n $dummytext | crypt >$file
    set checktext = "`crypt <$file | tr '\012' '&'`"
#echo "checktext:$checktext:txetkcehc"
#echo "dummytext:$dummytext:txetymmud"
    if ("$checktext" == "$dummytext") exit(0)
    echo emptyc: retyped key did not match
  endif
end