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| ///usr/bin/env go run "$0" "$@"; exit "$?" | |
| package main | |
| func main(){ | |
| println("hello") | |
| } |
KawaiDesu
/ valid_ip.sh
Last active
November 2, 2017 07:40
Checks if the input is looks like an IP address
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| #!/bin/bash | |
| valid_ip(){ # (ip) | |
| local INVALID=0 | |
| grep -Eq '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$' <<< "$1" || INVALID=1 | |
| for N in $(echo "$1" | tr '.' ' '); do | |
| test "$N" -gt 255 && INVALID=1; | |
| done | |
| return "$INVALID" | |
| } |