<wib_jonas> `` perl -pi -e \'s/^(url\\(1hackeso\\) -) .*/$1 print URL for a file in the hackenv hg repository and web access of the repository/; print\' share/whatis

Esoterra is the planet of Esoterrans, also known as Esolangers. The proof of its existence is non-constructive, although some suspect that it is in fact Earth.