From 943645fe29f5f15007bb9b1e1c41f71f63b77fbc Mon Sep 17 00:00:00 2001 From: EuAndreh Date: Sun, 10 Sep 2023 11:09:36 -0300 Subject: bin/getip: Add somewhat working utility --- bin/getip | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100755 bin/getip (limited to 'bin/getip') diff --git a/bin/getip b/bin/getip new file mode 100755 index 0000000..c351d4f --- /dev/null +++ b/bin/getip @@ -0,0 +1,72 @@ +#!/bin/sh +set -eu + +usage() { + cat <<-'EOF' + Usage: + getip [-4|-6] + getip -h + EOF +} + +help() { + cat <<-'EOF' + + + Options: + -4 get IPv4 + -6 get IPv6 (default) + -h, --help show this message + + + The the internet facing IP address of the current machine. + + + Examples: + + Expose IPv6:: + + $ echo "http://$(getip -6)/sub/" >> index.html + EOF +} + + +for flag in "$@"; do + case "$flag" in + --) + break + ;; + --help) + usage + help + exit + ;; + *) + ;; + esac +done + +V=6 +while getopts '46h' flag; do + case "$flag" in + 4) + V=4 + ;; + 6) + V=6 + ;; + h) + usage + help + exit + ;; + *) + usage >&2 + exit 2 + ;; + esac +done +shift $((OPTIND - 1)) + + +curl -s https://euandre.org/b/ipv"$V" -- cgit v1.2.3