A valid '<' triggers an ERROR

*Error*:Bad character||after|<|. Probable cause: Unescaped|<|. Try 
escaping it as|&lt;|.


These seemingly valid statements initiatie the above error.

pt=$(openssl dgst -md4 < "$1/$line")

echo "pbcopy < testf.sh"


Sorry, but the URL is behind a firewall.

David