Find files under the given directory tree, recursively.
find {{root_path}} -name {{'*.py'}}
find {{root_path}} -path {{'**/lib/**/*.py'}}
find {{root_path}} -name {{'*.py'}} -exec {{wc -l {} }}\;
find {{root_path}} -name {{'*.py'}} -mtime {{-1d}}
find {{root_path}} -size +500k -size -10MB -iname {{'*.TaR.gZ'}}
find {{root_path}} -name {{'*.py'}} -mtime {{-180d}} -delete
find {{root_path}} -empty
find {{root_path}} -name {{'*.py'}} -or -name {{'*.r}}