# Automatic Code Compilation and Testing
ls *.cpp | entr -c g++ main.cpp -o main && ./main

# Live-Reloading a Web Server
find . -name "*.py" | entr -r python app.py

# Markdown to HTML Conversion
ls *.md | entr -c pandoc README.md -o README.html

# Compiling LaTeX Files
ls *.tex | entr -c pdflatex main.tex

# Image Conversion and Processing
ls *.png | entr -c convert image.png -resize 800x600 output.png

# Real-Time Log Monitoring and Grep
tail -f /var/log/syslog | grep "ERROR" | entr -p echo "New error found!"

# Code Linting
ls *.js | entr -c eslint myfile.js

# Static Site Generation
find . -name "*.md" | entr -c jekyll build

# Database Migration
ls db/migrations/*.sql | entr -c psql -f db/migrations/latest.sql

# Tail Logs with Specific Keywords
tail -f /var/log/nginx/access.log | grep "404" | entr -p echo "New 404 error found!"

# Markdown to HTML Conversion
ls *.md | entr -c pandoc README.md -o README.html

# Static Site Generation
find . -name "*.md" | entr -c jekyll build