Useful bash snippets

bash-snippets.sh

#
# Remove all but last subdirectories from all but last 2 directories in current directory
#

ls | head -n -2 | xargs -r ls | head -n -1 | xargs -r rm -rf

find . -mindepth 1 -maxdepth 1 -type d | \
sort | head -n -1 | xargs -r -I {} find {} -mindepth 1 -maxdepth 1 -type d | \
sort | head -n -1 | xargs -r rm -rf

#
# remove all but last 14 directories
#

ls | head -n -14 | xargs -r rm -rf

find . -mindepth 1 -maxdepth 1 -type d | \
sort | head -n -14 | xargs -r rm -rf