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BASH Snippets.

Set Project-Specific Environment Variables and Execute Commands

Manage different project environments by setting specific variables and executing commands within that context using a simple and effective bash script.

Robust Directory Creation and Cleanup

Automate safe creation or cleanup of project directories. This bash snippet ensures directories exist and can be safely reset, crucial for build or deployment scripts.

Advanced CLI Argument Parsing with getopts

Build powerful, configurable bash scripts with `getopts`. This snippet demonstrates parsing short and long options, handling arguments for robust script execution.

Batch Rename Files Using Bash Loops and Patterns

Efficiently rename multiple files in a directory using bash scripting. This snippet renames files by adding a prefix or replacing parts of their names.

Load Configuration from Environment Variables with Defaults

Securely manage application configuration in bash scripts. This snippet loads settings from environment variables, providing default values for flexibility.

Automate Web Project File Permissions (chmod/chown)

Secure web directories and files by automating correct permissions. This bash script sets common `chmod` and `chown` settings for web server users.

Parse JSON with jq for API Responses or Config

Efficiently parse and extract specific data from JSON responses or configuration files using the powerful 'jq' command-line tool in Bash scripting.

Execute Authenticated HTTP Requests with cURL

Perform advanced HTTP requests in Bash using 'curl', including sending custom headers, JSON bodies, and handling authentication for API interactions.

Git Workflow: Check Status & Stage Files

Streamline your Git workflow with a Bash script to quickly check repository status, view diffs, and interactively stage specific files for commit.

Extract Specific Data from Log Files using Awk

Efficiently parse and extract specific fields or patterns from large log files using 'awk', making it easier to analyze and debug web application issues.

Find and Terminate Processes by Name or Port

Learn to locate and gracefully stop running processes, like local development servers, using 'ps', 'grep', 'pgrep', and 'kill' commands in Bash.

Automating Daily MySQL/PostgreSQL Database Backups

Create timestamped, compressed backups of your database (MySQL or PostgreSQL) daily. This script automates backup generation and retention policy, removing old files.