Added utility script pg_dumpaccounts to contrib.
Derived from pg_dumpall it just dumps users and groups. Jan
This commit is contained in:
Jan Wieck
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1173809333
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94b8640cd9
37
contrib/pg_dumpaccounts/Makefile
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37
contrib/pg_dumpaccounts/Makefile
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#-------------------------------------------------------------------------
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#
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# Makefile for contrib/pg_dumpaccounts
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#
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# Copyright (c) 1994, Regents of the University of California
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#
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# $Header: /cvsroot/pgsql/contrib/pg_dumpaccounts/Attic/Makefile,v 1.2 2000/11/02 18:20:12 wieck Exp $
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#
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#-------------------------------------------------------------------------
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subdir = contrib/pg_dumpaccounts
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top_builddir = ../..
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include $(top_builddir)/src/Makefile.global
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all: pg_dumpaccounts
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pg_dumpaccounts: pg_dumpaccounts.sh
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sed -e 's,@VERSION@,$(VERSION),g' \
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-e 's,@MULTIBYTE@,$(MULTIBYTE),g' \
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-e 's,@bindir@,$(bindir),g' \
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$< >$@
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chmod a+x $@
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install: all installdirs
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$(INSTALL_SCRIPT) pg_dumpaccounts $(DESTDIR)$(bindir)/pg_dumpaccounts
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installdirs:
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$(mkinstalldirs) $(DESTDIR)$(bindir)
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uninstall:
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rm -f $(addprefix $(DESTDIR)$(bindir)/, pg_dumpaccounts)
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depend dep:
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clean distclean maintainer-clean:
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rm -f pg_dumpaccounts
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9
contrib/pg_dumpaccounts/README
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9
contrib/pg_dumpaccounts/README
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pg_dumpaccounts
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This is a little utility script derived from pg_dumpall. It just
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dumps the global pg_shadow and pg_group as pg_dumpall does without
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dumping any of the databases. This is useful for installations
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that have many databases with different backup schedules, where
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pg_dumpall will never be run and thus, the users and groups will
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never be backed up.
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174
contrib/pg_dumpaccounts/pg_dumpaccounts.sh
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174
contrib/pg_dumpaccounts/pg_dumpaccounts.sh
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#! /bin/sh
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# pg_dumpaccounts
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#
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# Dumps the "pg_shadow" and "pg_group" tables, which belong to the
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# whole installation rather than any one individual database.
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#
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# $Header: /cvsroot/pgsql/contrib/pg_dumpaccounts/Attic/pg_dumpaccounts.sh,v 1.1 2000/11/02 18:20:12 wieck Exp $
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CMDNAME=`basename $0`
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# substituted at build
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VERSION='@VERSION@'
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MULTIBYTE='@MULTIBYTE@'
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bindir='@bindir@'
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#
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# Find out where we're located
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#
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PGPATH=
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if echo "$0" | grep '/' > /dev/null 2>&1 ; then
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# explicit dir name given
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PGPATH=`echo $0 | sed 's,/[^/]*$,,'` # (dirname command is not portable)
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else
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# look for it in PATH ('which' command is not portable)
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for dir in `echo "$PATH" | sed 's/:/ /g'` ; do
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# empty entry in path means current dir
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[ x"$dir" = x ] && dir='.'
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if [ -f "$dir/$CMDNAME" ] ; then
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PGPATH="$dir"
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break
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fi
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done
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fi
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# As last resort use the installation directory. We don't want to use
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# this as first resort because depending on how users do release upgrades
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# they might temporarily move the installation tree elsewhere, so we'd
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# accidentally invoke the newly installed versions of pg_dump and psql.
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if [ x"$PGPATH" = x"" ]; then
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PGPATH=$bindir
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fi
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#
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# Look for needed programs
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#
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for prog in psql ; do
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if [ ! -x "$PGPATH/$prog" ] ; then
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echo "The program $prog needed by $CMDNAME could not be found. It was"
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echo "expected at:"
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echo " $PGPATH/$prog"
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echo "If this is not the correct directory, please start $CMDNAME"
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echo "with a full search path. Otherwise make sure that the program"
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echo "was installed successfully."
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exit 1
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fi
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done
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#
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# to adapt to System V vs. BSD 'echo'
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#
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if echo '\\' | grep '\\\\' >/dev/null 2>&1
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then
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BS='\' dummy='\' # BSD
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else
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BS='\\' # System V
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fi
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# The dummy assignment is necessary to prevent Emacs' font-lock
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# mode from going ballistic when editing this file.
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usage=
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#
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# Scan options. We're interested in the -h (host) and -p (port) options.
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#
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while [ $# -gt 0 ] ; do
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case $1 in
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--help)
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usage=t
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break
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;;
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--version)
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echo "pg_dumpaccounts (PostgreSQL) $VERSION"
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exit 0
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;;
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--host|-h)
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connectopts="$connectopts -h $2"
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shift
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;;
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-h*)
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connectopts="$connectopts $1"
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;;
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--host=*)
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connectopts="$connectopts -h "`echo $1 | sed 's/^--host=//'`
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;;
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--port|-p)
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connectopts="$connectopts -p $2"
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shift
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;;
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-p*)
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connectopts="$connectopts $1"
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;;
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--port=*)
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connectopts="$connectopts -p "`echo $1 | sed 's/^--port=//'`
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;;
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*)
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echo "unknown option '$1'"
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usage=t
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;;
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esac
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shift
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done
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if [ "$usage" ] ; then
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echo "$CMDNAME dumps users and groups of a PostgreSQL database cluster."
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echo
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echo "Usage:"
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echo " $CMDNAME [ -c ] [ -h host ] [ -p port ]"
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echo
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echo "Options:"
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echo " -h, --host <hostname> server host name"
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echo " -p, --port <port> server port number"
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echo
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echo "Report bugs to <pgsql-bugs@postgresql.org>."
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exit 0
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fi
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PSQL="${PGPATH}/psql $connectopts"
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echo "--"
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echo "-- pg_dumpaccounts ($VERSION) $connectopts"
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echo "--"
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echo "${BS}connect template1"
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#
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# Dump users (but not the user created by initdb)
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#
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echo "DELETE FROM pg_shadow WHERE usesysid NOT IN (SELECT datdba FROM pg_database WHERE datname = 'template1');"
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echo
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$PSQL -d template1 -At <<__END__
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SELECT
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'CREATE USER "' || usename || '" WITH SYSID ' || usesysid
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|| CASE WHEN passwd IS NOT NULL THEN ' PASSWORD ''' || passwd || '''' else '' end
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|| CASE WHEN usecreatedb THEN ' CREATEDB'::text ELSE ' NOCREATEDB' END
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|| CASE WHEN usesuper THEN ' CREATEUSER'::text ELSE ' NOCREATEUSER' END
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|| CASE WHEN valuntil IS NOT NULL THEN ' VALID UNTIL '''::text
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|| CAST(valuntil AS TIMESTAMP) || '''' ELSE '' END || ';'
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FROM pg_shadow
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WHERE usesysid <> (SELECT datdba FROM pg_database WHERE datname = 'template1');
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__END__
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echo
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#
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# Dump groups
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#
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echo "DELETE FROM pg_group;"
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echo
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$PSQL -d template1 -At -F ' ' -c 'SELECT * FROM pg_group;' | \
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while read GRONAME GROSYSID GROLIST ; do
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echo "CREATE GROUP \"$GRONAME\" WITH SYSID ${GROSYSID};"
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raw_grolist=`echo "$GROLIST" | sed 's/^{\(.*\)}$/\1/' | tr ',' ' '`
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for userid in $raw_grolist ; do
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username=`$PSQL -d template1 -At -c "SELECT usename FROM pg_shadow WHERE usesysid = ${userid};"`
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echo " ALTER GROUP \"$GRONAME\" ADD USER \"$username\";"
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done
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done
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exit 0
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