A Bash script that functions as both a key-value store and a quine—printing its own source code with embedded data.
QuineDB is a key-value store implemented as a quine—a program that outputs its own source code, including any stored data. It solves the problem of data-code separation by embedding key-value pairs directly within the Bash script that manages them, ensuring the database remains a single, self-contained file.
Developers and hobbyists interested in experimental database concepts, quines, or minimalist, dependency-free tools for small-scale data persistence in Bash environments.
Developers choose QuineDB for its unique quine-based design, which guarantees data and code are always stored together, eliminating version mismatch risks. It offers extreme simplicity and portability as a single Bash script with no external dependencies.
QuineDB is a quine that is also a key-value store.
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The database is a single Bash script that embeds all data, making it easy to version, fork, or transfer without external dependencies, as emphasized in the README's philosophy.
Written entirely in Bash 4, it requires no installation or additional libraries, ensuring minimal setup overhead, as stated in the GitHub description.
Supports grouping operations into atomic transactions using Bash piping techniques, though the syntax is complex, as demonstrated in the 'Transactions' section.
Keys and values are printed using Bash string syntax, allowing unambiguous handling of newlines and quotes, preventing parsing errors, as shown in the 'Syntax' examples.
Inserting 100 key-value pairs takes 10 seconds and scales poorly with O(n·log(n)) complexity, making it unsuitable for data-intensive use, as admitted in the FAQ.
Only supports string keys and values, with unclear handling of Unicode or binary data, limiting its applicability for diverse data types, as noted in the FAQ.
Atomic transactions require verbose Bash piping and manual file management, making them error-prone and difficult to implement, as illustrated in the README.