#!/bin/csh -f
 
#
# Usage: grade 
#

source $HOME/bin/class/SETUP

echo -n " enter homework set number "
set NUM = $<
if !( -f $DIR/homeworks/homework$NUM ) then
       echo "homework$NUM has not been assigned yet."
       exit(-1)
endif

set ASSIGN = (`grep FILES $DIR/homeworks/homework$NUM`)
shift ASSIGN

set AFSID = `ls $DIR/assignments`

echo -n "Send waring E-mail to all who are deficient? (y/n) "
if ( $< != 'y' ) exit
foreach STUDENT ($AFSID) 
  if ( $STUDENT == $INSTRUCTOR ) continue
  cd "$DIR/assignments/$STUDENT/assignment$NUM"
     @ p = 0
     set HWS
     foreach FILE ($ASSIGN)
       if !( -f $FILE ) then
           @ p++ 
           set HWS = ( $HWS $FILE )
       endif
     end
  if  ( $p > 0 ) then
     echo "      *****This is an automatically generated E-mail*****\
      Your homework$NUM is not complete if you receive this\
      E-mail. The following files:\
          $HWS \
      are not received as of the `date`. \
      Contact your instructor if there is a problem.\
      \
      -- Bei Hu" | mailx "$STUDENT""@nd.edu"
  endif
end