$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Create RAR File in Ubuntu Gnu/Linux Distro

GNU/Linux Ubuntu Making RAR File Guide

Hi! The Tutorial shows you Step-by-Step How to Install RAR and Get Started to Create RAR Archives in Ubuntu GNU/Linux Distribution.

And to make RAR Files on Ubuntu you have to setup the RAR Archiver CLI Tool.

How to Create RAR File in Ubuntu GNU/Linux - Featured

GNU/Linux Ubuntu Creating RAR Archive Guide