A human-readable alternative to the test command for writing clear conditions in bash scripts.
is.sh is a bash scripting tool that provides a human-readable alternative to the traditional test command. It allows developers to write conditional expressions using plain English phrases, making scripts more intuitive and easier to understand. The tool solves the problem of cryptic and error-prone syntax in bash conditionals by offering a clear, natural language interface.
Bash script developers, system administrators, and DevOps engineers who write or maintain shell scripts and want to improve code readability and reduce syntax errors.
Developers choose is.sh because it dramatically improves the clarity of bash scripts, making conditions self-documenting and easier to debug. Its simple, natural language approach reduces the learning curve and minimizes mistakes compared to traditional test command syntax.
Human readable conditions for bash 👌
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Uses plain English phrases like `is equal` and `is file`, making conditions self-documenting and reducing syntax errors, as shown in the example code where `if is equal $var 123.0` replaces cryptic test flags.
Supports negation with `not` and optional articles (`a`, `an`, `the`), allowing for readable and fluent script conditions, as demonstrated in usage examples like `is not a substring`.
Includes various file system conditions such as `is file`, `is dir`, `is readable`, and `is newer`, covering common tasks listed in the usage section for robust script automation.
Offers multiple installation methods, including direct download via wget, npm, and local sourcing, as per the installation guide, making it accessible for different workflows.
Only provides basic conditional checks and lacks support for complex arithmetic, array operations, or advanced string manipulations that native bash expressions can handle, as evident from the simple condition list.
Requires installation or sourcing, adding an extra step and potential point of failure in scripts meant to be portable or run in isolated environments, unlike built-in bash commands.
Each condition call invokes an external script or function, which can be slower than using native bash test operators like `[ ]` or `[[ ]]`, especially in loops or performance-critical scripts.