Comment out declaration of ETIME as EXTERNAL in Fortran files.

etime.sh

#!/bin/bash

# etime intrinsic cannot be declared as EXTERNAL with gfortran on OSX.
files_with_etime=`find . -name "*.[fF]" | xargs grep -l -i 'etime'`
for fname in $files_with_etime
do
    mv $fname ${fname}.backup
    sed -e 's/^      \(EXTERNAL[ ]*ETIME.*\)/C     \1/' ${fname}.backup > $fname
    rm ${fname}.backup
done