I believe MARC::LINT (http://search.cpan.org/~eijabb/MARC-Lint_1.48/lib/MARC/Lint.pm ) provides some of that functionality (I think). --tr -----Original Message----- From: Code for Libraries [mailto:[log in to unmask]] On Behalf Of Dana Jemison Sent: Friday, January 23, 2015 3:19 PM To: [log in to unmask] Subject: [CODE4LIB] MARC Validation in a UNIX Environment Hello! I'm looking for a MARC validation tool (either binary or XML MARC) to identify formatting and structural errors in MARC records, which can be run in a Unix environment. Does anyone know of such a tool, or has anyone built something like this which they'd be willing to share? Thanks so much! Dana Dana Jemison Principal Metadata Analyst California Digital Library University of California, Office of the President 415 20th Street, 4th Floor, Office 424B Oakland, CA 94612-2901 Tel: 510.987.0832 Email: [log in to unmask]