A command-line filename completion

1. Compile: make
2. Add the binary to PATH: export PATH=$PATH:/path/to/complete/bin
3. Add the zsh plugin: source /path/to/complete/completion.zsh

1. Hit TAB key to complete the filename.

Frecency Algorithm by Mozilla is a combination of frequency and recency.

When a file is chosen, it gets points. The points of files decay over time.