https://github.com/python273/hn-index

Search Hacker News stories by title with regex CLI
https://github.com/python273/hn-index

cli hackernews rust

Last synced: 11 months ago
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Search Hacker News stories by title with regex CLI

• Host: GitHub
• URL: https://github.com/python273/hn-index
• Owner: python273
• License: mit
• Created: 2021-05-03T16:00:52.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2024-11-03T03:42:08.000Z (about 1 year ago)
• Last Synced: 2025-01-07T21:48:35.059Z (about 1 year ago)
• Topics: cli, hackernews, rust
• Language: Rust
• Homepage:
• Size: 671 KB
• Stars: 3
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# hn-index

Search Hacker News stories' titles with [regex](https://docs.rs/regex/1.7.1/regex/index.html#syntax).

```

$ wget https://python273.pw/hackernews-stories-dump-1_42024703.tar.gz

$ tar xf hackernews-stories-dump-1_42024703.tar.gz

$ cargo build --release

$ ./target/release/hn-index "(?i)\brust"

[...]

 101 Rust Language Cheat Sheet                                                        https://hkrn.ws/26930908

  45 Show HN: High-speed UTF-8 validation in Rust                                     https://hkrn.ws/26887438

[...]

Found stories 11089

Scan time     24.53346ms

Print time    30.233548ms

Total time    54.782431ms

```

`hn-index (regex) [min comments]`

![](./term.png)

## Dump

Header: `[checkpoint; u32 little endian]*31` (offsets to start scanning by CPU threads)

Format: `[title len; u8][comments num; u16 little endian][title; utf-8][id; u32 little endian]`