nixos-config/README.org

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#+TITLE: Erwin's NixOS config
This configures my machines.
* Useful oneliners
** Remove all files except the smallest
#+begin_example
$ ls -s size | head -n 1 | xargs stat -c %s | awk '{print $1 + 1}' | xargs -I '%S' fd -S +%Sb -X rm {} \;
#+end_example
| cmd | Explanation |
|--------------------------------------+-----------------------------------------------------------------|
| =ls -s size= | List all files, sort by size (=ls= is aliased to =eza= in my setup) |
| =head -n 1= | Take the first line |
| =xargs stat -c %s= | Print the size in bytes |
| =awk '{print $1 + 1}= | Add one to it |
| =xargs -I '%S' fd -S +%Sb -X rm {} \;= | Find all files larger than the smallest and delete them |