<oerjan> le/rn scowrevs///hackenv/share/scowrevs is a list of repository revision ranges that affected a lot of files but in the end changed nothing (usually because of a revert at the end). Most of our custom repository lookup commands ignore these to reduce noise.

#!/bin/sh
exec perl -e 'local$/=\999;seek STDIN,rand((-s STDIN)-299),0 or die;print<STDIN>=~y/ \t/ /sr;' < "${HACKENV-/hackenv}"/share/recipe/recipes.txt