example02.04

#!/bin/sh
# The Party Program--Invitations to friends from the "guest" file
#guestfile=/home/jody/ellie/shell/guests
guestfile=./guests
if [ ! -f "$guestfile" ]
then
 echo "`basename $guestfile` non-existent"
 exit 1
fi
PLACE="Sarotini's";  export PLACE
Time=`date +%H`
Time=`expr $Time + 1`
set cheese crackers shrimp drinks "hot dogs" sandwiches
for person in `cat $guestfile`
do
 if [ $person = root ]
 then
  continue
 else
 # mail -v -s "Party" $person <<- FINIS
  cat <<-FINIS
  Hi ${person}! Please join me at $PLACE for a party!
  Meet me at $Time o'clock.
  I'll bring the ice cream. Would you please bring $1 and
  anything else you would like to eat? Let me know if you     
  can make it. Hope to see you soon.
        Your pal,
      `
  FINIS
  shift
  if [ $# -eq 0 ]
  then
     set cheese crackers shrimp drinks "hot dogs" sandwiches
  fi
 fi
done  
echo "Bye..."