# if ! (echo "$base"/*|grep -q '^[^ ]*[.]log [^ ]*[.]sum$');then
# echo >&2 "Error <$log>: Not two files .log+.sum:" "$base"/*
# exit 1
# if ! (echo "$base"/*|grep -q '^[^ ]*[.]log [^ ]*[.]sum$');then
# echo >&2 "Error <$log>: Not two files .log+.sum:" "$base"/*
# exit 1