integer*8 peph
integer res
character(len=CALCEPH_MAX_CONSTANTVALUE) version
res = f90calceph_open(peph, "example1.dat")
if (res.eq.1) then
res = f90calceph_getfileversion(peph, version)
write (*,*) "The version of the file is ", version
call f90calceph_close(peph)
endif