Adrien Berchet reports that read string with IFS does not work properly on Ubuntu; use cut command instead

git-svn-id: https://svn.mcs.anl.gov/repos/parallel-netcdf/trunk@1737 c368ceb8-fd28-0410-a457-e46ee1d7cd4a
error strings also need to sync with netCDF

git-svn-id: https://svn.mcs.anl.gov/repos/parallel-netcdf/trunk@1738 c368ceb8-fd28-0410-a457-e46ee1d7cd4a