Bash Tools

Collection of useful bash scripts for development and system administration.

Scripts

Development Tools

• convert-jpg-mp4 - Convert JPG images to MP4 video
• extract-mermaid - Export Mermaid diagrams from Markdown to SVG/PNG
• wordpress-update - Update WordPress installations safely

Network Tools

• check-ssl - Check SSL/TLS certificates
• check-url - Check HTTP status codes and redirects
• check-redirects - Validate URL redirects from a file
• netcatchat - Chat via netcat with shortcuts

System Tools

• backup-restore - Backup and restore files and databases
• download-map - Download maps from GeoApify or OpenStreetMap
• beeper - Piano music player using system beep
• crop-wallpaper - Create wallpapers for vertical dual-screen layout

Installation

Full Installation

git clone https://github.com/Flower7C3/bash-tools.git
cd bash-tools
chmod +x *

Single Script Download

You can download individual scripts directly:

# Download a single script
curl -fsSL https://raw.githubusercontent.com/Flower7C3/bash-tools/master/check-ssl -o check-ssl
chmod +x check-ssl

# Download with common-functions (required)
curl -fsSL https://raw.githubusercontent.com/Flower7C3/bash-tools/master/common-functions -o common-functions

Note: Scripts automatically download common-functions if not found locally.

Usage

All scripts support -h or --help for usage information. Most scripts also support -u or --update to download the latest version:

./script-name --help
./script-name --update

Requirements

• Bash 4.0+
• Common tools: curl, ffmpeg, git, etc. (see individual script requirements)
• extract-mermaid: Python 3, Node.js/npx, @mermaid-js/mermaid-cli (auto-installed via npx)
• backup-restore: yq, rsync, ssh, database client tools (see backup-restore.yaml)