diff --git a/localdump_couchdb2.sh b/localdump_couchdb2.sh
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+#!/bin/bash
+# ================================================================================
+#
+# LOCALDUMP :: COUCHDB2 - using nodejs tools couchbackup and couchrestore
+# https://github.com/cloudant/couchbackup
+#
+# creates gzipped plain text backups (JSON) from each scheme
+#
+# --------------------------------------------------------------------------------
+# ah - Axel Hahn <axel.hahn@iml.unibe.ch>
+# ds - Daniel Schueler <daniel.schueler@iml.unibe.ch>
+#
+# 2019-11-13 ..... v1.0 initial version with backup and restore (single DB)
+# 2020-05-19 ..... v1.1 backup a single or multiple couchdb instances by globbing param
+# ./localdump.sh backup couchdb2 demo
+# ================================================================================
+
+if [ -z $BACKUP_TARGETDIR ]; then
+ echo ERROR: you cannot start `basename $0` directly
+ rc=$rc+1
+ exit 1
+fi
+
+# --------------------------------------------------------------------------------
+# CONFIG
+# --------------------------------------------------------------------------------
+
+# contains *.config files for each instance
+CFGDIR=~/.iml_backup/couchdb2
+
+# UNUSED
+# dirPythonPackages=/usr/lib/python2.7/site-packages
+
+ARCHIVE_DIR=`_j_getvar ${DIRFILE} dir-dbarchive`/couchdb2
+
+# --------------------------------------------------------------------------------
+# FUNCTIONS
+# --------------------------------------------------------------------------------
+
+# make an couch api request
+# param string method ... one of GET|POST|DELETE
+# param string relative url, i.e. _all_dbs or _stats
+function _couchapi(){
+ method=$1
+ apiurl=$2
+ outfile=$3
+
+ sParams=
+ # sParams="$sParams -u ${couchdbuser}:${couchdbpw}"
+ sParams="$sParams -X ${method}"
+ sParams="$sParams ${COUCH_URL}${apiurl}"
+ if [ ! -z $outfile ]; then
+ sParams="$sParams -o ${outfile}"
+ fi
+ curl $sParams 2>/dev/null
+}
+
+function _getDblist(){
+ _couchapi GET _all_dbs | sed 's#\"#\n#g' | egrep -v "^(\[|\,|\])$" | grep -v _replicator | grep -v _global_changes
+}
+
+# get value update_seq of given couchdb name
+function _getDbSeq(){
+ # _couchapi GET $1 | sed 's#,\"#\n"#g' | egrep -v "^(\[|\,|\])$" | grep update_seq | cut -f 4 -d '"'
+ _couchapi GET $1 | sed 's#,\"#\n"#g' | egrep -v "^(\[|\,|\])$" | grep update_seq | cut -f 4 -d '"' | cut -f 1 -d '-'
+}
+
+
+# ---------- CONFIG/ INSTANCES
+
+# get valid configured instances
+function getInstances(){
+ for mycfg in `ls -1 ${CFGDIR}/*${1}*.config`
+ do
+ . $mycfg
+ if [ $? -eq 0 ]; then
+ echo `basename "${mycfg}" | cut -f 1 -d "."`
+ fi
+ done
+}
+
+
+# load the config of an existing instance
+# see getInstances to get valid names
+# param string name of the instance to load
+function loadInstance(){
+ COUCH_URL=
+ . ${CFGDIR}/${1}.config
+ if [ $? -ne 0 ]; then
+ color error
+ echo ERROR: invalid instance: $1 - the config file cannot be sourced
+ color reset
+ exit 1
+ fi
+ if [ -z ${COUCH_URL} ]; then
+ color error
+ echo ERROR: invalid instance: $1 - the config file has no COUCH_URL
+ color reset
+ exit 1
+ fi
+
+}
+
+
+# ---------- BACKUP
+
+# backup with loop over instances
+# param 1 string globbing filter to config files
+function doBackup(){
+ # for mycfg in `ls -1 ~/.iml_backup/couchdb/*.config`
+ for COUCHDB_INSTANCE in `getInstances $1`
+ do
+ loadInstance $COUCHDB_INSTANCE
+
+ echo --- instance: $COUCHDB_INSTANCE
+ curl --head -X GET $COUCH_URL 2>/dev/null | grep "^HTTP.*\ 200\ "
+
+ if [ $? -eq 0 ]; then
+ echo OK, connected.
+ sleep 2
+ _doBackupOfSingleInstance
+
+ else
+ rc=$rc+1
+ color error
+ echo ERROR: couch DB instance is not available or canot be accessed with these credentials in config file
+ # repeat curl to show the error message
+ curl -X GET $COUCH_URL
+ color reset
+ fi
+
+ echo
+ echo --- `date` done.
+ echo
+ done
+}
+
+# make backup of all databases in a couchdb instance
+# global: COUCH_URL
+# global: COUCHDB_INSTANCE
+function _doBackupOfSingleInstance(){
+
+ create_targetdir
+ mkdir -p ${BACKUP_TARGETDIR}/${COUCHDB_INSTANCE} 2>/dev/null
+ mkdir -p ${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/seq 2>/dev/null
+ typeset -i iDbTotal=`_getDblist | wc -l`
+ typeset -i iDb=0
+
+ echo
+ echo " DUMP databases of instance ${COUCHDB_INSTANCE}: $iDbTotal databases"
+ echo
+
+ for dbname in `_getDblist`
+ do
+ iDb=$iDb+1
+ echo -n "----- `date` ${COUCHDB_INSTANCE} -- $iDb of $iDbTotal - ${dbname} - "
+ OUTFILE=${BACKUP_TARGETDIR}/${COUCHDB_INSTANCE}/`get_outfile ${dbname}`.couchdbdump
+ ARCHIVFILE=${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/${dbname}.couchdbdump.gz
+ SEQFILE=${ARCHIVE_DIR}/${COUCHDB_INSTANCE}/seq/__seq__${dbname}
+
+ sSequenceCurrent=`_getDbSeq ${dbname}`
+ sSequenceLast=`cat ${SEQFILE} 2>/dev/null | cut -f 1 -d '-'`
+# sSequenceLast=`cat ${SEQFILE} 2>/dev/null | tr -d '\n'`
+
+ # echo
+ # echo "update_seq --+-- current [${sSequenceCurrent}]"
+ # echo " +-- backup [${sSequenceLast}]"
+ if [ ! -z ${sSequenceLast} ] || [ "${sSequenceCurrent}" = "${sSequenceLast}" ]; then
+ echo SKIP: still on sequence ${sSequenceLast}
+ else
+ echo
+ echo "update_seq --+-- current [${sSequenceCurrent}]"
+ echo " +-- backup [${sSequenceLast}]"
+ echo -n "Need to backup ... "
+ couchbackup --db ${dbname} >${OUTFILE}.progress 2>/dev/null && mv ${OUTFILE}.progress ${OUTFILE}
+ fetchrc
+
+ # $myrc is last returncode - set in fetchrc
+ if [ $myrc -eq 0 ]; then
+ echo -n "gzip ... "
+ compress_file $OUTFILE
+ fetchrc
+ if [ $myrc -eq 0 ]; then
+ cp ${OUTFILE}* ${ARCHIVFILE} && echo ${sSequenceCurrent}>${SEQFILE}
+ ls -l ${ARCHIVFILE} ${SEQFILE}
+ fi
+ else
+ echo "ERROR occured while dumping - abort"
+ fi
+ ls -l $OUTFILE*
+ echo
+ fi
+ done
+
+}
+
+# ---------- RESTORE
+
+# restore a single backup file; the instance and db name will be detected from file
+# param string filename of db dump (full path or relative to BACKUP_TARGETDIR)
+function restoreByFile(){
+ sMyfile=$1
+ sMyDb=$2
+ echo
+ h2 "analyze dump $sMyfile"
+
+ COUCHDB_INSTANCE=`echo $sMyfile | sed "s#${BACKUP_TARGETDIR}##g" | sed "s#\./##g" | sed "s#^/##g" | cut -f 1 -d "/"`
+ echo "detected COUCHDB_INSTANCE : [${COUCHDB_INSTANCE}]"
+ if [ -z $sMyDb ]; then
+ sMyDb=`guessDB $sMyfile`
+ echo "detected db schema from file: [${sMyDb}]"
+ else
+ echo "db schema from param 2: [${sMyDb}]"
+ fi
+
+ echo
+
+ loadInstance $COUCHDB_INSTANCE
+
+ echo connect $couchdbhost on port $couchdbport with user $couchdbuser
+ curl --head -X GET $COUCH_URL 2>/dev/null | grep "^HTTP.*\ 200\ " >/dev/null
+ if [ $? -ne 0 ]; then
+ color error
+ echo ERROR: couch DB instance is not available
+ curl -X GET $COUCH_URL
+ color reset
+ exit 1
+ fi
+ color ok
+ echo OK
+ color reset
+
+
+ echo
+
+ # _getDblist | grep "^${sMyDb}$"
+ # if [ $? -eq 0 ]; then
+ # echo DB exists ... need to drop it first
+ # fi
+
+ h2 deleting database [$sMyDb] ...
+ color cmd
+ _couchapi DELETE $sMyDb
+ fetchrc
+ color reset
+
+ h2 creating database [$sMyDb] ...
+ color cmd
+ _couchapi PUT $sMyDb
+ fetchrc
+ color reset
+
+ h2 import file ...
+ color cmd
+ # zcat ${sMyfile} | python ${dirPythonPackages}/couchdb/tools/load.py $COUCH_URL/$sMyDb
+ zcat ${sMyfile} | couchrestore --db $sMyDb
+ fetchrc
+ color reset
+ echo
+
+}
+
+# --------------------------------------------------------------------------------
+# MAIN
+# --------------------------------------------------------------------------------
+
+
+# ----- check requirements
+
+# --- is a couchd here
+# j_requireProcess "couchdb" 1
+
+# --- very specific :-/ ... check available config files
+ls -1 ${CFGDIR}/* >/dev/null 2>&1
+rc=$rc+$?
+
+
+if [ $rc -eq 0 ]; then
+ echo OK: couchdb2 config was found on this system ... checking requirements for backup ...
+
+ j_requireBinary "curl" 1
+ j_requireBinary "couchbackup" 1
+ j_requireBinary "couchrestore" 1
+
+ #ls ${dirPythonPackages}/couchdb/tools/dump.py ${dirPythonPackages}/couchdb/tools/load.py >/dev/null && echo "OK: python couchdb tools were found"
+ #rc=$rc+$?
+
+
+ if [ $rc -eq 0 ]; then
+ echo
+
+ if [ "$1" = "restore" ]; then
+ echo
+ shift 1
+ restoreByFile $*
+
+ else
+ shift 1
+
+ # remove keyword ALL which is used for localdump.sh to loop over all db types
+ test "$1" = "ALL" && shift 1
+
+ doBackup $*
+ fi
+
+ else
+ color error
+ echo ERROR: Couchdb is here but I am missing things for the backup :-/
+ color reset
+ fi
+
+else
+ rc=0
+ echo "SKIP: couchdb2 config does not seem to be here"
+fi
+
+
+echo $0 $* [couchdb2] final returncode rc=$rc
+
+# --------------------------------------------------------------------------------