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BASH Snippets.

Curated list of production-ready BASH scripts and coding solutions.

BASH

Verifying Essential System Commands for Bash Scripts

Ensure your Bash scripts run smoothly by programmatically checking for the presence of necessary system commands (like `curl` or `git`) and providing user-friendly installation instructions if missing.

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BASH

Implementing Basic Script Logging and Error Handling

Learn how to add effective logging to a dedicated log file and implement robust error handling in Bash scripts to monitor execution and debug issues efficiently.

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BASH

Fetching Data from Web APIs with curl and Basic Text Parsing

Master fetching data from RESTful APIs using the `curl` command and perform basic text processing with `grep` and `sed` to extract specific information in Bash scripts.

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BASH

Implementing a Retry Mechanism for Unreliable Commands

Enhance Bash script reliability by adding a retry loop with exponential backoff for commands that might temporarily fail, such as network requests or resource access, improving resilience.

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BASH

Automating Git Repository Setup and Dependency Installation

Streamline your development workflow by automating Git repository cloning, navigating into the project, and installing dependencies like npm packages with a single bash script.

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BASH

Extracting Data from JSON API Responses with jq

Learn to efficiently parse and query JSON data returned from web APIs using the powerful 'jq' command-line tool within your bash scripts, enabling quick data extraction.

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BASH

Identifying and Terminating Processes Using a Specific Port

Quickly resolve 'address already in use' errors by finding which process occupies a given TCP port and how to gracefully or forcefully terminate it using `lsof` and `kill`.

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BASH

Batch Renaming Files with Prefixes or Suffixes

Efficiently rename multiple files in a directory by adding custom prefixes or suffixes, useful for organizing assets, images, or managing build outputs.

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BASH

Automating Static Site Deployment to AWS S3

Deploy your static web projects to Amazon S3 buckets efficiently using the AWS CLI within a bash script, including synchronization, cache control, and public-read access.

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BASH

Automating Log Rotation and Compression

A bash script to automate log file rotation, compression, and cleanup of old archives, essential for maintaining server disk space and managing historical data.

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BASH

Checking Website and API Health Status

A bash script to monitor the HTTP status of multiple web services or API endpoints, providing quick feedback on their availability and response codes.

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BASH

Finding and Deleting Old Files by Age

A simple yet powerful bash script to locate and safely remove files or directories older than a specified duration, ideal for cleaning up temporary files or old caches.

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