Pure Shell implementation for IPv6 address expansion (reverse formatting), converting compressed format to 8-segment, 4-digit full format. Supports address validity checks and handling of IPv6 addresses with prefixes.
Day: February 28, 2026
IPv6 Address Compression Pure Shell Script
Pure Shell implementation of IPv6 address formatting (RFC standard compression format), without relying on iproute2, supports validating address validity, compressing zero segments, handling addresses with prefixes, and outputs all lowercase letters.