#!/bin/csh
###############################################################
# This script checks to see if this CD has already been linked
# into the tree somewhere.  The ID of the disc to check is
# passed as the first command-line argument.
#
# It returns status 0 if there is one, 1 if there is not. It
# returns 2 if there is a syntax error.  It also prints the
# path to the link if one exists.
#
# This script must be run in the "cds" directory, which has
# the index directories under it.
##############################################################

# Make sure we got a valid ID.
set discid = $1
if (0 == `echo -n "$discid" | wc -c`) then
        echo "Usage: $0 id_to_check"
        exit 2
endif

# Look in all of the subdirectories two levels down to see if
# any of them are linked to a directory whose name includes
# the ID passed in.

set gotit = `ls -ld ?/?/* | grep "$discid" | wc -l`

if ( 0 == $gotit ) then
	exit 1
endif

set dirname = `ls -ld ?/?/* | grep "$discid" | awk '{print $9}'`
echo "$dirname"
exit 0