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https://github.com/notwa/rc
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8 lines
239 B
Bash
Executable file
8 lines
239 B
Bash
Executable file
#!/usr/bin/env sh
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# compat: +ash +bash +dash +zsh
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grop4() { ### @- [`grop`](#grop) for IPv4s.
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grep -oP -- '(?<=^|[^\d.])((0|1\d\d|2[0-4]\d|25[0-5]|[1-9]\d?)\.((?2))\.((?2))\.((?2)))(?=$|[^\d.])'
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}
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[ -n "${preload+-}" ] || grop4 "$@"
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