59 lines
1.4 KiB
Bash
59 lines
1.4 KiB
Bash
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#!/bin/sh
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#!/bin/sh
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# Define a function to get the first IPv4 address of a FreeBSD interface
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get_ipv4address_freebsd() {
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local interface="$1"
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# Use ifconfig to get IPv4 addresses of the specified interface
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ipv4_addresses=$(ifconfig "$interface" | awk '/inet / {print $2}')
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# Extract the first IPv4 address
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first_ipv4_address=""
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for addr in $ipv4_addresses; do
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first_ipv4_address="$addr"
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break # Exit after getting the first IPv4 address
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done
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# Return the first IPv4 address
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echo -n "$first_ipv4_address"
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}
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get_ipv4address_linux() {
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# Set the interface name you want to query
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local interface="$1" # Replace with your desired interface
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# Use ip command to get IPv4 addresses of the specified interface
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ipv4_addresses=$(ip -4 addr show dev "$interface" | grep -oP 'inet \K[\d.]+')
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# Extract the first IPv4 address
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first_ipv4_address=""
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for addr in $ipv4_addresses; do
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first_ipv4_address="$addr"
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break # Exit after getting the first IPv4 address
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done
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# Check if an address was found
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if [ -n "$first_ipv4_address" ]; then
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echo -n "$first_ipv4_address"
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else
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exit 1;
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fi
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}
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kernel_name=$(uname -s)
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interface="$1" # Replace with your desired interface
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if [ "$kernel_name" = "FreeBSD" ]; then
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result=$(get_ipv4address_freebsd "$interface")
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else
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result=$(get_ipv4address_linux "$interface")
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fi
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echo -n "$result"
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