day09 pre-fragmentation. parsing successful.

2024/09/index.js

@@ -1,26 +1,17 @@
-let disk_map = "2333133121414131402"
-//              0..111....22222
+import fs from 'node:fs'
 
-//let fileArray = Array.from(file)
+function init(filename) {
+    const data = fs.readFileSync(filename, { encoding: 'utf-8' }, data => data)
 
-output = ""
-hints = ""
-//output += "".padStart(disk_map[0], 0)
-let id = -1
-let is_file = false
-for (let idx = 0; idx < disk_map.length; idx++) {
-    let length = disk_map[idx]
-    is_file = !is_file
-    id = is_file ? id + 1 : id
-    output += "".padStart(length, (is_file ? id : '.'))
-    new_disk_map = 
+    let table = ""
+    let files = [...data.split('').filter((val, idx) => idx % 2 === 0)]
+    let free_spaces = [...data.split('').filter((val, idx) => idx % 2 !== 0)]
+    let diskmap = [...data.split('')]
+
+    diskmap.forEach((sector, index) => {
+        table += index % 2 === 0 ? ''.padStart(sector, index / 2) : ''.padStart(sector, '.')
+    })
+    console.log(table)
 }
 
-function frag() {
-
-}
-
-
-console.log(disk_map)
-//console.log(hints)
-console.log(output)
+init('easy_example.txt')