Rubish: A Unix shell written in pure Ruby
Rubish is a Unix shell implemented in pure Ruby that allows users to run existing Bash scripts without modification. It deeply integrates Ruby, enabling users to mix shell commands with Ruby code and utilize Ruby's features in their scripts. The shell is fully compatible with Bash and offers unique features like Ruby conditions and method chaining for enhanced functionality.
- ▪Rubish supports all features of Bash and allows running existing Bash scripts without any changes.
- ▪Users can seamlessly integrate Ruby code and commands in their shell scripts.
- ▪Rubish offers unique features such as Ruby conditions, method chaining, and inline Ruby evaluation.
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Story provenance
Source · retrieval · rights · ranking — open for full record
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | GitHub |
| Canonical URL | https://github.com/amatsuda/rubish |
| Publication time | Sat, 23 May 2026 06:32:00 +0000 |
| Retrieval time | 2026-05-23T06:37:24.939Z |
| Last seen | 2026-05-23T06:37:24.939Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | 8BwlEYolpSzb |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Rubish A UNIX shell written in pure Ruby. Shell syntax is parsed and compiled to Ruby code, then executed by the Ruby VM. Concept Fully Bash-compatible Rubish supports all the features of bash, and the shell syntax is fully compatible. You can run your existing bash scripts without modification. If you found any bash script that doesn't work in rubish, we consider it a bug, so please report it! Deep Ruby integration Rubish is not just a shell implemented in Ruby, but a shell that deeply integrates Ruby. You can seamlessly mix shell commands and Ruby code, and even use Ruby's powerful features like blocks, iterators, and libraries in your shell scripts.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at GitHub.