shelljs/shelljs

Features

• System Automation Libraries - Implements a portable shell-like syntax for automating system tasks and file operations within Node.js.
• Portable Unix Utilities - Provides a portable Unix-like utility suite for executing system-level tasks across different operating systems.
• Command Piping - Allows passing the output of one command as the input to another in a sequence to process data incrementally.
• Cross-Platform Filesystem APIs - Offers a set of filesystem tools that ensure consistent file and directory management across different operating systems.
• Filesystem Management Tools - Provides a set of commands for standard filesystem operations like copying, moving, and deleting files across platforms.
• Portable Unix Utility Suites - Provides portable implementations of common Unix utilities for text manipulation and system tasks.
• Shell Command Execution - Triggers and controls operating system shell commands while capturing output and exit codes.
• Shell Scripting Utilities - Enables writing Node.js scripts that run Unix shell commands consistently across different operating systems.
• Subprocess Management - Provides utilities for spawning and controlling external system processes to run specific commands.
• Process Execution Wrappers - Wraps external system command execution to provide control over synchronous and asynchronous subprocess lifecycles.
• Standard Stream Piping - Connects the standard output of one subprocess to the standard input of another using Node.js streams.
• External Process Management - Running and managing external system commands from Node.js while capturing output and controlling execution flow.
• Filesystem and Text Processing - Provides utilities for manipulating text streams through filtering, sorting, and shell-style piping.
• Filesystem Operations - Provides low-level operations for managing files and directories, including copying, moving, and removing.
• Process Lifecycle Wrapping - Executes system commands by wrapping native Node.js spawn and exec functions to manage external process lifecycles.
• Shell Command Libraries - Provides a collection of portable Unix shell commands implemented natively in Node.js.
• Command Mapping - Translates Unix-style shell commands into equivalent operations for the host operating system to ensure script portability.
• Text Manipulation - Provides tools for transforming, encoding, and formatting text via line-based replacements.
• Regex-Based File Search - Enables searching through files using regular expressions to filter and extract specific text data.
• Global Command Registration - Allows adding custom commands to the environment by registering functions as callable system-wide utilities.
• CLI Process Controls - Provides runtime control over external system commands, including timeouts, buffers, and environment variables.
• Path Type Evaluators - Evaluates whether a path exists and identifies its type as a directory, regular file, or symbolic link.
• In-Place File Mutators - Performs search-and-replace operations that modify source files directly on disk.
• Line-Based Text Filters - Provides capabilities to extract, sort, and filter text from files using regular expressions and line-based limits.
• Output Redirection - Includes operators for routing the output of commands directly to files or appending them.
• Regular Expressions - Provides text processing and file content manipulation using JavaScript regular expression patterns.
• Synchronous Execution Controls - Blocks the JavaScript event loop during command execution to mimic sequential shell script behavior.
• Filesystem Metadata Retrievers - Queries operating system primitives to retrieve file properties such as existence, size, and permissions.
• Command Registries - Implements a system for mapping shell commands to executable JavaScript functions to decouple triggers from logic.
• Third-Party Plugins - Supports integrating third-party plugins to add new custom commands and portable shell capabilities.
• Shell and Scripting - Cross-platform Unix shell commands.
• Shell and Execution - Portable Unix shell commands for Node.js.

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