ex_1.8

Advanced Bash&#8722 Scripting Guide An in&#8722 depth exploration of the art of shell scripting Me

#!/bin/ksh 
# The Party Program--Invitations to friends from the 
# "guest" file 

#guestfile=~/shell/guests
guestfile=./guests
if [[ ! -a "$guestfile" ]] 
then
   print "${guestfile##*/} non-existent"
   exit 1
fi

export PLACE="Sarotini's"
(( Time=$(date +%H) + 1))
set cheese crackers shrimp drinks "hot dogs" sandwiches 
for person in $(< $guestfile) 
do
   if  [[ $person = root ]]
   then
      continue
   else 
      mail -v -s "Party" $person <<- FINIS # Start of here document
      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't make it.

      Hope to see you soon.
	    Your pal,
	    ellie@`hostname`
FINIS
      shift 
      if (( $# ==  0 )) 
      then
	 set cheese crackers shrimp drinks "hot dogs" sandwiches
      fi
   fi
done		
print "Bye..."