he
47 lines
766 B
Bash
Executable File
47 lines
766 B
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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usage() {
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cat <<EOF
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Usage: pos network ip
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Display network interfaces, default route, and public IP.
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EOF
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exit 0
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}
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case "${1:-}" in
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-h|--help) usage ;;
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esac
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SEP() { printf '\u2550%.0s' $(seq 1 47); echo; }
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SEP
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echo "Network Interfaces"
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SEP
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ip -o -4 addr show | while read -r _ ifname _ ipaddr _; do
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printf "%-20s %s\n" "$ifname" "${ipaddr%%/*}"
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done
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echo
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SEP
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echo "Default Route"
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SEP
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gateway=$(ip route | awk '/default/ {print $3; exit}')
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iface=$(ip route | awk '/default/ {print $5; exit}')
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printf "%-20s %s\n" "Interface" "${iface:-N/A}"
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printf "%-20s %s\n" "Gateway" "${gateway:-N/A}"
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echo
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SEP
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echo "Public IP"
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SEP
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curl -4 -s --max-time 5 https://ifconfig.me 2>/dev/null || echo "Unavailable"
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echo
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