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rc/sh/grop4
Connor Olding d5f3f14d72 merge compatibility lines
RIP meaningful last-modified dates
2024-03-26 15:08:14 -07:00

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#!/usr/bin/env sh
# YES_ZSH YES_BASH YES_DASH YES_ASH
grop4() { ### @- [`grop`](#grop) for IPv4s.
grep -oP -- '(?<=^|[^\d.])((0|1\d\d|2[0-4]\d|25[0-5]|[1-9]\d?)\.((?2))\.((?2))\.((?2)))(?=$|[^\d.])'
}
[ -n "${preload+-}" ] || grop4 "$@"