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Contributed by JT Moree (patch 1615360)
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215
clusterssh/src/cscp
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clusterssh/src/cscp
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#!/bin/sh
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#LICENSE: Gnu GPL version 2
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#Author: JT Moree: moreejt@pcxperience.com
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#Date: 20061213
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#
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# $Header$
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#
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VERSION=$Version$
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PROGRAM=`basename $0`
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usage()
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{
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echo "$PROGRAM v. $VERSION"
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echo "Usage: $PROGRAM [options] -C<cluster> file1 file2 file3 . . ."
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echo " or $PROGRAM [options] -H<user@host> file1 file2 file3 . . ."
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echo
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echo "This program copies files to remote machines using ssh and scp and can log the action"
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echo
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echo "LICENSE"
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echo " Released under the terms of the GNU GPL version 2"
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echo
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echo "OPTIONS"
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echo " -C server cluster(s) to scp to. see GROUPS/CLUSTERS"
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echo " -D destination directory on target servers"
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echo " -d Debug mode"
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echo " -H copy to this one host (format user@host)"
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echo " -h help"
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echo " -f Use this config file for groups/clusters. Use this to override the use of clusterssh config in /etc/clusters."
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echo " -t comment to describe the action"
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echo
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echo "Make sure to use quotes when there are spaces in your params. "
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echo "And dont put a space between the switches and the params"
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echo "ie. -Cfoo NOT -C foo"
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echo
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echo "GROUPS/CLUSTERS"
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echo " This script uses scp to copy files to the specified destination of each server in a server cluster."
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echo "A server cluster is specified in a file (usually $CONF) in the format:"
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echo " <clustername> <user>@<server> <user>@<server> . . . ."
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echo "See clusterssh for more info"
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echo "Each cluster may also have custom configurations specified in a file ending with .cfg."
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echo " ie. servers A, B, and C are in group FOO. There is a line in file $CONF"
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echo " FOO root@A root@B root@C"
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echo "and potentially another file $ETC/FOO.cfg"
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echo
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echo "CONFIG FILES"
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echo "In the .cfg file vars can be set in the form of bash/sh vars:"
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echo " LOG=/root/Documentation/changelog"
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echo
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echo "LOGGING to SYSLOG"
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echo "The log string will use the format '20060111 11:11:11 user clusterscp:cluster:comment: <files>'"
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echo "The script attempts to use logger (syslog) on each target machine. To turn this off"
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echo "set the SYSLOG=0 config in $RC or in the .cfg for that cluster."
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echo
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echo "LOGGING to a CUSTOM LOG"
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echo "The log string will use the format '20060111 11:11:11 user clusterscp:group:comment: <files>'"
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echo "The .cfg file can have a parameter set LOG=/path/to/log. If so, it logs the action"
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echo "to that file by appending to the end of it. "
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echo
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echo "SSH w/o PASSWORDS"
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echo "If ssh public/private key authentication is setup with no passphrase then no password is neccessary to scp the files. Otherwise you will be prompted for each server password."
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echo
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}
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copy_files()
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{
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copy_files_TARGET=$1
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copy_files_DEST=$2
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shift 2
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CHECK=`echo $copy_files_TARGET | grep '@'`
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if [ -z "$CHECK" ] ; then #target does not have format of user@host. perhaps it is another cluster?
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#check to see if a cluster matches this name and process it
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copy_cluster "$copy_files_TARGET" "$copy_files_DEST" $@
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else
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if [ "$DEBUG" = "y" ] ; then
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echo scp $@ $copy_files_TARGET:$copy_files_DEST >/dev/null
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else
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scp $@ $copy_files_TARGET:$copy_files_DEST >/dev/null
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fi
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if [ "$?" -eq 0 ] ; then
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echo "$copy_files_TARGET: OK"
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if [ $SYSLOG -eq 1 ] ; then
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if [ "$DEBUG" = "y" ] ; then
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echo ssh $copy_files_TARGET "logger -t$PROGRAM -pauth.info '$LOGSTRING'"
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else
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ssh $copy_files_TARGET "logger -t$PROGRAM -pauth.info '$LOGSTRING'"
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fi
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fi
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if [ -n "$CLOG" ] ; then
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if [ "$DEBUG" = "y" ] ; then
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echo ssh $copy_files_TARGET "echo '`date +"%Y%m%d %H:%M:%S"` $LOGSTRING' >> $CLOG"
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else
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ssh $copy_files_TARGET "echo '`date +"%Y%m%d %H:%M:%S"` $LOGSTRING' >> $CLOG"
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fi
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fi
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else
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echo "$copy_files_TARGET: ERROR"
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fi
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fi
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}
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copy_cluster()
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{
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copy_cluster_CLUSTER=$1
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copy_cluster_DEST=$2
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shift 2
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copy_cluster_SKIP= #to skip the first word in the line
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copy_cluster_COUNT=0
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for copy_cluster_TARGET in `egrep "^$copy_cluster_CLUSTER" $CONF` ; do
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if [ -z "$copy_cluster_SKIP" ] ; then
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copy_cluster_SKIP=n
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else
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copy_files "$copy_cluster_TARGET" "$copy_cluster_DEST" $@
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fi
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copy_cluster_COUNT=$(($copy_cluster_COUNT + 1))
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done
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if [ 0 -eq $copy_cluster_COUNT ] ; then
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echo "Warning! No cluster found with name $copy_cluster_CLUSTER" >&2
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fi
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}
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DEBUG=n
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ETC=/etc/clusterscp
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CONF=/etc/clusters
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RC=/etc/clusterscprc
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GRP=
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COMMENT=
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DEST=
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SYSLOG=0
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#source global config file
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if [ -f $RC ] ; then
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. $RC
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fi
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while getopts C:dD:hH:vx OPTION
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do
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case "$OPTION" in
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h) usage ; exit 1
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;;
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v) echo $VERSION; exit 1
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;;
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x) set -x; DEBUG=y; shift 1
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;;
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C) GRP=$OPTARG; shift 1
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;;
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d) DEBUG=y
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;;
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D) DEST=$OPTARG; shift 1
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;;
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f) CONF=$OPTARG; shift 1
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;;
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H) HOST=$OPTARG; shift 1
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;;
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t) COMMENT=$OPTARG; shift 1
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;;
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*) echo ; echo "!!!!!!Error. Invalid option given" >&2; echo ; usage; exit 1
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;;
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esac
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done
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if [ -z "$GRP" ] && [ -z "$HOST" ] ; then
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usage
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echo
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echo "Error. You must specify a cluster or a host (-C or -H)!" >&2
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exit 1
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fi
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#do a sanity check on all files
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if [ 0 -eq $# ] ; then
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usage
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echo "Error. No files specified." >&2
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exit 1
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fi
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for f in $@ ; do
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if [ ! -r $f ] ; then
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echo "Error reading file $f. Aborting transaction." >&2
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exit 1
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fi
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#build file list for log
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FILES="${FILES} `basename $f`"
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done
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if [ -n "$HOST" ] ; then
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CHECK=`echo $HOST | grep '@'`
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if [ -z "$CHECK" ] ; then #target does not have format of user@host. perhaps it is another cluster?
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echo "Error! -H option must use format user@host: '$HOST' is invalid." >&2
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echo "If this is a cluster use the -C option." >&2
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exit 1
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fi
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#build log string
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LOGSTRING="$USER $PROGRAM:$COMMENT:$DEST $FILES"
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copy_files "$HOST" "$DEST" $@
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fi
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if [ -n "$GRP" ] ; then
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#build log string
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LOGSTRING="$USER $PROGRAM $GRP:$COMMENT:$DEST $FILES"
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if [ -r $ETC/$GRP.cfg ] ; then
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. $ETC/$GRP.cfg
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fi
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if [ -z "$SYSLOG" ] ; then
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SYSLOG=0
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fi
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if [ "$DEBUG" = "y" ] ; then
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echo "cluster IS '$GRP'"
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fi
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copy_cluster "$GRP" "$DEST" $@
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fi
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