Breadth-first search for your files. More information: https://manned.org/bfs.
bfs {{root_path}} -name '{{*.ext}}'
bfs {{root_path}} -path '{{**/path/**/*.ext}}' -or -name '{{*pattern*}}'
bfs {{root_path}} -type d -iname '{{*lib*}}'
bfs {{root_path}} -name '{{*.py}}' -not -path '{{*/site-packages/*}}'
bfs {{root_path}} -maxdepth 1 -size {{+500k}} -size {{-10M}}
{} within the command to access the filename):bfs {{root_path}} -name '{{*.ext}}' -exec {{wc -l}} {} \;
bfs {{root_path}} -daystart -mtime {{-1}} -exec {{tar -cvf archive.tar}} {} \+
bfs {{root_path}} -type {{f|d}} -empty -delete -print