#!/bin/bash
#************************************************************************
# E.S.O. - ALMA project
#
# "@(#) $Id: searchFile,v 1.2 2010/09/20 14:25:08 mzampare Exp $"
#
# who       when        what
# --------  ----------  -------------------------------------------------
# mpasquat  2004-JUL-19 created

#*******************************************************************************
# ALMA - Atacama Large Millimeter Array
# Copyright (c) ESO - European Southern Observatory, 2014
# (in the framework of the ALMA collaboration).
# All rights reserved.
# 
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# 
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
#*******************************************************************************

#************************************************************************
#   NAME 
#   searchFile - search a file in the sequence INTROOT -> INTLIST -> ACSROOT
# 
#   SYNOPSIS
#   searchFile <fileName with relative path>
# 
#   DESCRIPTION
#   Script that returns the variable value (INTROOT, INTLIST, ACSROOT) where the 
#   specified file is found or the string "#error#" if not. 
#   
#   FILES
#
#   ENVIRONMENT
#
#   RETURN VALUES
#   #error# - no argument provided or file not found
#
#   CAUTIONS
#
#   EXAMPLES
#  
#   SEE ALSO
#
#   BUGS     
#
#------------------------------------------------------------------------


file=$1
if [ "X$1" == "X" ]
then
   echo "#error#"
   exit 0
fi

if [ "X$INTROOT" != "X" ]
then
   if  [ -f $INTROOT/$file ]
   then
      echo $INTROOT
      exit 0  
   fi  
fi

if [ "X$INTLIST" != "X" ]
then
   INTLIST_LIST=`echo $INTLIST | sed s/\:/\ /g`
   for dir in $INTLIST_LIST
   do
      if  [ -f $dir/$file ]
      then
         echo $dir
         exit 0   
      fi 
   done
fi
   
if [ "X$ACSROOT" != "X" ]
then
   if  [ -f $ACSROOT/$file ]
   then
      echo $ACSROOT
      exit 0
   else
      echo "#error#"
   fi
else
   echo "#error#"
fi