Created
March 2, 2014 10:38
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| crypto = require 'crypto' | |
| fs = require 'fs' | |
| path = require 'path' | |
| digest = crypto.createHash 'sha1' | |
| str = 'hello world!' | |
| digest.update str | |
| hex = digest.digest 'hex' | |
| segs = (hex) -> | |
| rv = hex[i..i+1] for _, i in hex.substr 0, 20 by 2 | |
| mkseg = (parts, i, done) -> | |
| if i >= parts.length | |
| return do done | |
| fs.mkdir (path.join parts[0..i]...), (err) -> | |
| return done err if err and err.code isnt 'EEXIST' | |
| mkseg parts, i+1, done | |
| mkpath = (parts, done) -> | |
| mkseg parts, 0, done | |
| store = (payload, hex, done) -> | |
| parts = segs hex | |
| mkpath parts, (err, args...) -> | |
| return done err if err | |
| fpath = path.join parts..., hex | |
| fs.writeFile fpath, payload, (err, args...) -> | |
| done err, args... | |
| load = (hex, done) -> | |
| parts = segs hex | |
| fpath = path.join parts..., hex | |
| fs.readFile fpath, 'utf8', done | |
| store str, hex, (args...) -> | |
| console.dir args | |
| load hex, (args...) -> | |
| console.dir args |
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