ex_1.7

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

#!/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 
      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 [ $# -eq 0 ] 
      then
	 set cheese crackers shrimp drinks "hot dogs" sandwiches
      fi
   fi
done		
echo "Bye..."