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From sdcsvax!ncr-sd!greg@s3sun.CSS.GOV Mon Feb  3 14:24:25 1986
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Date: Sat, 1 Feb 86 23:56:26 PST
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To: noscvax!rick@siesmo.ARPA, sdcsvax!s3sun!seismo!rick@s3sun.CSS.GOV
Subject: Batcher script for news
Status: R

:	shar:	Shell Archiver
# Run this text with /bin/sh to create:
#	batcher

# I sent this a few days ago, and haven't gotten a reply.  This one is a
# revision that incorporates some fixes suggested by some other San Diego
# sites that have been running it.  Again, lease let me know if it arrives,
# otherwise I'll try retransmitting it in a few days.
# 
# This is a script that replaces sendbatch and csendbatch.  I recommend it to
# you for inclusion in 2.10.3.  It has some nice attributes, particularly for
# me, where I have a lot of news connections to maintain.  The most useful to
# me is that the default if no arguments are given is to send to everybody,
# so that I don't have to run around modifying crontab all the time -- all
# of the maintenance is in news/sys.
# 
# Here are some sample sites from news/sys to show how it works:
# 
# sdcsvax:sd,sdnet,ca,to.sdcsvax::uux - -r -n sdcsvax!rnews
# sdcsvax:net,fa,mod,na,usa:F:/usr/spool/batch/c.sdcsvax
# ncrcae:net,fa,mod,na,usa,ncr,to.ncrcae:F:/usr/spool/batch/c.ncrcae
# local:net,fa,mod,na,usa,ca,sdnet,sd,to.local:F:/usr/spool/batch/b.local
# 
# The name chosen determines the type of transmission; the "b." prefix
# causes news to be sent batched and the "c." prefix causes news to be
# sent compressed (and batched).
# 
# The batcher works by looking for files in /usr/spool/batch with a prefix
# of "[abc]."; if it is invoked with no arguments, it will pick up all such
# files, otherwise it only picks up files with those prefixes and the names
# given as arguments.  If the host status is OK, it will batch up at most
# ten batches and queue them to be delivered to the specified site.  The "a."
# prefix is for packaging agents not covered by the standard batching and
# compression algorithms; if you need it, consult the code for details.
# 
# It also handles the *.cmd files to specify the transmission method as did
# sendbatch and csendbatch.
# 
# Here are the relevant entries from the System V crontab table; note that
# System V has a separate file for each user, so if you don't have this,
# you may have to modify them so the invocation UID is correct.  Versions
# of cron also differ on the complexity of the expressions permitted; use
# this as a guide, not as gospel.
# 
# 56	19-23,0-7 *	*	1-5	. /usr/lib/news/batcher	# daily
# 56	*	*	*	0,6	. /usr/lib/news/batcher	# weekends
# 
# These lines cause the batcher to be invoked hourly from 8pm (well, 19:56)
# to 8am on weekdays and all day on the weekends.  This causes any queued
# news to be sent (assuming it thinks the site is alive and well).  I view
# the traffic to my backbone sites as important, so I also deliver to them
# during the days on weekdays since they have the CPU horsepower to handle
# it.  Here is the crontab entry to do that:
# 
# 56	8-18	*	*	1-5	sh /usr/lib/news/batcher ncrcae sdcsvax
# 
# I hope this is useful to you.
# 
# -- Greg Noel, NCR Rancho Bernardo    Greg@ncr-sd.UUCP or Greg@nosc.ARPA

sed 's/^X//' <<'SHAR_EOF' >batcher; chmod 644 batcher
XNEWS=/usr/lib/news	BATCH=/usr/spool/batch
XUUCP=/usr/lib/uucp	SPOOL=/usr/spool/uucp
XPATH=$NEWS:/bin:/usr/bin export PATH
Xeval `grep TZ= /etc/profile`
Xcase $# in
X0|1)	Files="-name [abc].$1*" ;;
X*)	y="(" Files=""
X	for file do Files="$Files $y -name [abc].$file*"; y=-o; done
X	Files="$Files )"
Xesac
Xfor rmt in `find $BATCH -type f $Files -print`
Xdo	case $rmt in
X	*.cmd)	continue ;;
X	*.tmp)	continue ;;
X	*.work)	rmt=`expr $rmt : "\(.*\).work"`
X		if test -f $rmt; then continue; fi ;;
X	esac
X	site=`expr $rmt : ".*/[abc].\(.*\)"`
X	site=`expr $site : "\(......\)" \| $site`
X	case $rmt in
X	*/b.*)	if test -s $rmt.cmd -a -x $rmt.cmd
X		then	CMD="batch $rmt 60000 | $rmt.cmd \$flag"
X		else	CMD="batch $rmt 60000 | uux - -r -n $site!rnews"
X		fi ;;
X	*/c.*)	if test -s $rmt.cmd -a -x $rmt.cmd
X		then	CMD="batch $rmt 100000 | compress -q | $rmt.cmd \$flag"
X		else	CMD="batch $rmt 100000 | compress -q | uux - -r -n $site!cunbatch"
X		fi ;;
X	*/a.*)	CMD=`sed -n "s/^$site://p" $NEWS/cmds`
X		case "$CMD" in "") echo "OOPS -- no command for $site"
X			continue ;;
X		esac ;;
X	*)	echo "OOPS -- matched illegal file type!"; continue ;;
X	esac
X	if test -f $SPOOL/STST.$site
X	then	if test ! -s $SPOOL/STST.$site
X		then	continue	# Hmmmm....  Info file is null
X		fi
X		read <$SPOOL/STST.$site status garbage
X		case $status in
X		3)	flag=no ;;	# already talking
X		*)	continue ;;
X		esac
X	else	flag=yes	# start conversation first time through
X	fi
X	# Send a maximum of ten batches to remote site
X	loops=x
X	while test -s $rmt -o -s $rmt.work
X	do	eval $CMD
X		if test $? -ne 0 -o $loops = xxxxxxxxxx; then break; fi
X		case $flag in yes) $UUCP/uucico -r1 & ;; esac
X		flag=no loops=x$loops
X	done
Xdone
SHAR_EOF
exit 0
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