- sed 's/[[:space:]]\{6\}[[:space:]]*\(end \)\{0,1\}program[[:space:]]*\([a-zA-Z0-9\-\_]*\)/ \1subroutine user_main /gI;s/[[:space:]]*use[[:space:]]*mpi/\include \"mpif\.h\" /gI' "${ARG}" >> "${TMPFILE}"
+ sed 's/[[:space:]]\{6\}[[:space:]]*\([eE][nN][dD] \)\{0,1\}[pP][rR][oO][gG][rR][aA][mM][[:space:]]*\([a-zA-Z0-9\-\_]*\)/ \1subroutine user_main /g;s/[[:space:]]*[uU][sS][eE][[:space:]]*[mM][pP][iI]/\include \"mpif\.h\" /g' "${ARG}" >> "${TMPFILE}"