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rc/sh/sortip

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#!/usr/bin/sh
# compat: +ash +bash +dash +zsh
sortip() { ### @- sort lines numerically by IPv4 segments.
sort -t . -k 1,1n -k 2,2n -k 3,3n -k 4,4n "$@"
}
[ -n "${preload+-}" ] || sortip "$@"