postgres/src/bin/scripts/dropdb

#!/bin/sh
#-------------------------------------------------------------------------
#
# dropdb--
#    destroy a postgres database
#
#    this program runs psql to drop the requested database.
#
# Copyright (c) 1994, Regents of the University of California
#
#
# IDENTIFICATION
#    $Header: /cvsroot/pgsql/src/bin/scripts/Attic/dropdb,v 1.2 1999/12/05 20:52:54 momjian Exp $
#
#-------------------------------------------------------------------------

CMDNAME=`basename $0`

PSQLOPT=
dbname=
forcedel=t

# Check for echo -n vs echo \c

if echo '\c' | grep -s c >/dev/null 2>&1
then
    ECHO_N="echo -n"
    ECHO_C=""
else
    ECHO_N="echo"
    ECHO_C='\c'
fi

while [ $# -gt 0 ]
do
    case "$1" in 
	--help|-\?)
		usage=t
		break
		;;
# options passed on to psql
	--host|-h)
		PSQLOPT="$PSQLOPT -h $2"
		shift;;
	--port|-p)
		PSQLOPT="$PSQLOPT -p $2"
		shift;;
	--user|--username|-U)
		PSQLOPT="$PSQLOPT -U $2"
		shift;;
	--password|-W)
		PSQLOPT="$PSQLOPT -W"
		;;
	--echo|-e)
		PSQLOPT="$PSQLOPT -e"
		;;
	--quiet|-q)
		PSQLOPT="$PSQLOPT -o /dev/null"
		;;
# other options
        --interactive|-i)
		forcedel=f
		;;
	-*)
		echo "$CMDNAME: Unrecognized option: $1. Try -? for help."
		exit 1
		;;
	 *)
		dbname="$1"
		;;
    esac
    shift
done


if [ "$usage" ]; then
	echo "Usage: $CMDNAME [-h <server>] [-p <port>] [-U <username>] [-W] [-i] dbname"
	exit 0
fi

if [ -z "$dbname" ]; then
	echo "$CMDNAME: Missing required argument database name. Try -? for help."
	exit 1
fi


if [ "$forcedel" = f ]; then
	echo "Database \"$dbname\" will be permanently deleted."
	$ECHO_N "Are you sure? (y/n) "$ECHO_C
	read REPLY

	[ $? -eq 1 ] && exit 1
	[ "$REPLY" != "y" -a "$REPLY" != "Y" ] && exit 0
fi


psql $PSQLOPT -d template1 -c "DROP DATABASE \"$dbname\""
if [ $? -ne 0 ]; then
	echo "$CMDNAME: Database removal failed."
	exit 1
fi

exit 0