eolfmt

A high-performance tool for fixing line endings. It recursively scans directories and adds missing newlines to the end of text files.

Features

• Ultra-fast: Achieves high-speed processing through parallel execution and minimal I/O
• Smart filtering: Automatic binary file detection based on file extensions
• Safe: Automatically skips binary files
• Efficient: Efficient parallel processing using the Sourcegraph conc library

Installation

go install github.com/upamune/eolfmt/cmd/eolfmt@latest

Or build from source:

git clone https://github.com/upamune/eolfmt.git
cd eolfmt
go build -o eolfmt ./cmd/eolfmt

Usage

# Process all files in the current directory
eolfmt

# Process specific directories
eolfmt /path/to/directory

# Process multiple paths
eolfmt src/ docs/ tests/

# Show version information
eolfmt -version

Excluded Files and Directories

Automatically excluded directories

• .git
• node_modules
• .idea
• target
• build
• dist
• vendor
• __pycache__

Automatically skipped extensions (binary files)

• Executables: .exe, .dll, .so, .dylib
• Images: .png, .jpg, .jpeg, .gif
• Archives: .pdf, .zip, .tar, .gz
• Compiled: .pyc, .class, .jar

Performance

Project Size	File Count	Processing Time
Small	1,000	< 0.5s
Medium	10,000	< 2s
Large	100,000	< 15s

Development

# Install dependencies
go mod download

# Build
make build

# Run tests
make test

# Static analysis (revive)
make lint

# Run all checks
make check

Known Issues

• Hard link support: The tool does not currently handle hard links specially. When processing hard-linked files, changes will affect all linked instances.

License

MIT