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Tim Smart
@timsmart.co
200 followers 8 following 8 posts
I hack on effect.website
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December 16, 2024 at 3:20 AM
timsmart.co
import * as Fs from "node:fs/promises" export async function* readReverse(path: string, chunkSize = 1024) { const file = await Fs.open(path, "r") const stat = await file.stat() let pos = stat.size while (true) { pos = Math.max(0, pos - chunkSize) const chunk = Buffer.alloc(chunkSize) const result = await file.read(chunk, 0, chunkSize, pos) yield chunk.subarray(0, result.bytesRead).reverse() if (pos === 0) break } }
December 5, 2024 at 9:51 PM