-# Check that grep can parse nonprinting characters.
-# BSD 'grep' works from a pipe, but not a seekable file.
-# GNU or BSD 'grep -a' works on files, but is not portable.
-case `echo "$std" | grep .` in
- "$std") ;;
- *) echo "$me: grep can't parse nonprinting characters" >&2; Exit 77;;
-esac
-