#! /usr/bin/env bash

#  $Header: /u/gcmpack/MITgcm/verification/global_ocean.cs32x15/input.viscA4/prepare_run,v 1.2 2016/05/08 18:32:09 jmc Exp $
#  $Name:  $

#- in order to save disc space, un-gzip files
#- from this dir:
fromDir="../input.viscA4"

fileList=`( cd $fromDir ; echo *.gz | sed 's/\.gz//g' )`

#echo 'fileList=' $fileList

#- copy the gz file in the current directory and unzip
#   (if the file does not already exist)
if test -d $fromDir ; then
  lnkList=''
  for xx in $fileList
  do
    if test -r ${xx}.gz ; then
      if test ! -r $xx -o $xx -ot ${xx}.gz ; then
        # file does not exist or is older than compressed version:
        lnkList=${lnkList}" "$xx
        gunzip -f ${xx}.gz
      fi
    fi
  done
  if test "x$lnkList" != 'x' ; then
    echo -n " unzip files:$lnkList " ; lnkList=';'
  fi
#-- a trick to rename pickup by making a symbolic link in the current directory
      xx='pickup.0000086400'
      yy='pickup.0000072000'
      if test ! -r $xx ; then
        lnkList="$lnkList +link $yy to $xx"
        ln -sf $yy $xx
      fi
  echo "$lnkList"
#------
else
  echo " Error:" $fromDir "not a directory"
fi