Appendix A: An Example shell script using juke

#!/bin/sh

if [ "$PRODUCTS" != "" ]
then
	. /usr/local/etc/setups.sh
	setup juke
fi
# Defaults
# JUKELIST is a list of jukebox:low:high:tape entries
# MAILTO   is a mail address to send the output to
#
JUKELIST="nojuke:0:9:/dev/null other:0:9:/dev/null"
MAILTO=mengel@dcdmwm.fnal.gov
#
# Allow command line overrides like NAME=value by eval-ing them
#
for i in $*
do
    eval $i
done
export TAPE MAILTO
trap "" 1 2 
for entry in $JUKELIST
do
    #split jukelist entry into items by colons
    SEPARATOR=":"; SAVEIFS="$IFS"; IFS="$SEPARATOR$IFS"
    set x $entry; jname=$2; low=$3; high=$4; TAPE=$5; 
    IFS="$SAVEIFS"
    # Redirect output to mail program
    (
           echo "Subject: createmap for jukebox $jname"
           echo "Putting $jname online"
           juke online -j $jname
           i=$low
           while [ $i -le $high ] 
           do
              echo "Doing slot $i"
              if juke list -j $jname -s $i | grep '(empty)' > /dev/null 2>&1
              then
                  echo "Empty..."
              else
                  juke load -j $jname -s $i -d $TAPE
                  dd if=$TAPE of=/tmp/cmap$$ bs=2k
                  read line < /tmp/cmap$$
                  mt unload
                  juke unload -j $jname -d $TAPE
                  if [ "$line" != "" ]
                  then
                     juke rename -j $jname -s $i $line
                  fi
                  juke list -j $jname -s $i 
              fi
              i=`expr $i + 1`
           done 
       ) 2>&1 | /bin/mail $MAILTO &
done