PStore not dead

A lightning talk I gave on the Ruby User Group Berlin on 7th of August 2014.
I was talking about a nice little "gem" I found in the Ruby standard library.

Transcript

1. pstore ! not dead
2. filesystem data ruby script #1
3. MySQL? Redis? LevelDB? database.txt?
4. JSON? YAML? CSV?
5. format is irrelevant
6. your data is
7. Int egr i ty
8. lock filesystem data ruby script #1 ruby script #2 ruby script #3
9. require "pstore" ! pstore = PStore.new("filename.pstore") ! pstore.transaction do pstore["foo"] # reading pstore["zig"] = "zag" # writing end
10. fuck dependencies
11. ruby stdlib
12. class HotelBar ! @pstore = PStore.new("hotelbar.pstore") ! def self.pstore return @pstore unless block_given? @pstore.transaction { yield @pstore } end ! end
13. def self.find(name) pstore do |db| new(db[name]) if db.root?(name) end end
14. def self.all pstore do |db| db.roots.map { |name| new(db[name]) } end end
15. Bonus Round
16. require "pstore" require "json" ! class JSON::Store < PStore ! def dump(table) JSON::pretty_generate(table) end ! def load(content) JSON::parse(content) end ! end
17. Overbryd