#!/usr/bin/csh
#
#  Change MPICOMM = mpicomm to MPICOMM = mpicomm_ in input files
#
#  Example:
#    ~/pencil-code/samples> pc_append_underscore */src/Makefile.local
#
set file=''

foreach file ($argv)
  grep MPICOMM ${file} | grep -v nompicomm | grep -v mpicomm_ > /dev/null
  if ( ! $status ) then
    sed -e 's/mpicomm/mpicomm_/g' ${file} > ${file}_
    \mv ${file}_ ${file}
    echo Appended underscore to mpicomm in $file
  endif
end