#!/bin/ksh
#whatdblink ()
#------------------------------------------------------------------------------#
#    Module Name:  whatdblinks  (c) Michael Barone                             #
#                                                                              #
#    Purpose:      Report on the DBA_DB_LINKS                                  #
#                                                                              #
#    Maintenance                                                               #
#    Date          Author        Description                                   #
#    -----------   ------------  --------------------------------------------  #
#    10-Oct-2009   M.Barone      Module design/creation                        #
#------------------------------------------------------------------------------#
{
        DIRNAM=$(dirname $0)
        ORASID=$(echo $CONTEXT_NAME | cut -f1 -d'_')
        HNAME=$(uname -n)

        #----------------------------------------------------------------------#
        #  TEST:  Number ($#) of arguments passed to this function?            #
        #----------------------------------------------------------------------#
        if      [ $# = 0 ]
        then
            clear
            echo
            echo  " #--------------------------------------------------------#"
            echo  " # whatdblinks:                       Oracle DBA_DB_LINKS #"
            echo  " #--------------------------------------------------------#"
            echo

            #------------------------------------------------------------------#
            #  Trap:  Set CNTL-C CNTL-D CNTL-\ Before Password Protection      #
            #------------------------------------------------------------------#
            trap        "stty echo; return"     2
            trap        "stty echo; return"     3
            stty -echo

            read PASSWD?" Please Enter the Oracle APPS Password:  "

            stty echo
            echo
            #------------------------------------------------------------------#
            #  Trap:  Reset CNTL-C CNTL-D CNTL-\ After Password Protection     #
            #------------------------------------------------------------------#
            trap        2
            trap        3

        else
            PASSWD=$1
            clear
        fi

#------------------------------------------------------------------------------#
#  Initialize                                                                  #
#------------------------------------------------------------------------------#
        SPOOLNM=/tmp/whatdblink_$$.txt

#------------------------------------------------------------------------------#
#  SQL*Plus ("Here-Document")                                                  #
#------------------------------------------------------------------------------#
sqlplus  -s  /nolog  <<-END_FILE

        CONNECT  APPS/$PASSWD

        SPOOL ${SPOOLNM}

        clear   BREAKS
        clear   BUFFER
        clear   COLUMNS
        clear   COMPUTES
        clear   SCREEN
        clear   SQL
        clear   TIMING

        set     feedback        off
        set     flush           on
        set     heading         on
        set     pause           off
        set     space           1
        set     termout         on
        set     verify          on
        set     linesize        80
        set     pagesize        999

        prompt #---------------------------------------------------------------#
        prompt #- What (whatdblink)                                           -#
        prompt #---------------------------------------------------------------#

        COLUMN  datevalue       NOPRINT NEW_VALUE       DATEVAR
        COLUMN  timevalue       NOPRINT NEW_VALUE       TIMEVAR

        COLUMN  dbownr  format A15     HEADING 'DBLink Owner'
        COLUMN  dblink  format A18     HEADING 'Database Link'
        COLUMN  dbuser  format A18     HEADING 'DBLink User'
        COLUMN  dbhost  format A18     HEADING 'Database Link|HostName/Alias'

        TTITLE  CENTER  '${ORASID} (${HNAME}) Apps Database Links '           -
                LEFT    DATEVAR                                     skip 1    -
                CENTER  'eBusiness DBA Database Links'			      -
                LEFT    TIMEVAR                                     skip 2

        alter session set NLS_DATE_FORMAT = 'DD-MON-YYYY HH24:MI:SS';

        SELECT	TO_CHAR(sysdate, 'DD-MON-YY')   datevalue,
              	TO_CHAR(sysdate, 'HH24:MI:SS')  timevalue,
		owner				dbownr,
		db_link				dblink,
		username			dbuser,
		host				dbhost
	FROM	dba_db_links
	ORDER BY dbownr, dblink;

END_FILE

print
print  "Please see  /tmp/whatdblink_$$.txt"
print
}
