lesspipe 2.04 Input filter for less
To browse files, the excellent viewer
less can be used. By setting the environment variable
LESSOPEN, less can be enhanced by external filters to become more powerful. The input filter for less described here is called
lesspipe.sh. It is able to process a wide variety of file formats. It enables users to inspect archives and display their contents without having to unpack them before. The filter is easily extensible for new formats.