I just looked up the man page, and actually head -n -2
means “everything up to but not including the last two lines”, so this should always leave two files remaining.
I just looked up the man page, and actually head -n -2
means “everything up to but not including the last two lines”, so this should always leave two files remaining.
Ah! This is a shell pipe! It’s composing several smaller commands together, cool stuff.
ls -1
is the grep-friendly version of ls, it prints one entry per line, like a shopping list.
head
takes a set number of entries from the head of a list, in this case 2 items. negative two, meaning “all but the last two.”
xargs
takes the incoming pipe and converts it into extra arguments, in this case applying those arguments to rm
.
So, combined, this says “list all the .dump files, pick the first two, all but the last two, and delete them.” Presumably the first are the oldest ones and the last are the newest, if the .dump files are named chronologically.
Like many open source games, it has that distinctly ‘alpha’ feel to it right now, but I do enjoy NodeCore on occasion. It’s a zen minimalist block game with a unique diagetic crafting system. Instead of a traditional “recipe book” or “crafting grid”, you produce new materials through in-world transformations. For instance, to make glass, you have to surround sand with fire, and to control fire, you basically want to build a deliberately-shaped dirt or stone pit… the whole thing feels a little like minecraft and a little like a sand physics sim or cellular automata.
I think part of the problem is just that there are a lot more good games that people know about! Unfortunately one of the tradeoffs for all the riches of heaven is that it’s a lot harder to cover them all.
I hope it gets a PC port. I’m done with Switch exclusives.
this is my current solution; I use Obsidian to manage my notes and I sync the folder with Syncthing. I still use Google Keep though for its whiteboard tool; is there a better app for that?
Basically, repeat the experiment under a wide range of conditions, and show that the conditions for success, if any, are far beyond the original claim. I always loved the ‘mythbusters’ approach: if one bible can’t stop a bullet, how about two bibles? ten? where is the cutoff between true and false?
Won’t this delete the two newest files, as opposed to everything except the two newest files?