Last-modified Information Relaying Specification (LIRS) was a syndication format. It was a Japanese version of RSS, like Hina-Di, but based on CSV instead of XML or RFC 822 headers.

Specification

The various releases are numbered by date, as some releases have the same version number.

1999-11-03, ver.1.1

Recovered from harmonicom.jp. Local copy available in UTF-8.

2000-10-13, ver.2.1

Recovered from urawa-reds.org. Local copy available in UTF-8.

2001-12-16, ver.2.1

Recovered from the Wayback Machine. Local copy available in UTF-8.

An unofficial English translation of mine is available.

Known implementations

• Official Perl 5 module: LIRS.pm
• Text::LIRS, previously known as Meta::LIRS
• lirs.rb (dead link), a Ruby module for LIRS
• Natsu: Perl CGI scripts for LIRS, HINA 1.x and HINA 2.x

I could not recover the source code for the last two implementations; if you have them, please contact me!