dotfiles/.local/bin/ethernetstatus

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#!/bin/bash
get_adapter_name() {
adapter=$(/usr/sbin/networksetup -listnetworkserviceorder | /usr/bin/sed -En 's|^\(Hardware Port: AX88179A, Device: (en.)\)$|\1|p')
echo "$adapter"
}
check_ethernet_status() {
adapter="$1"
status=$( /sbin/ifconfig "$adapter" | grep 'status: active' )
if [ -n "$status" ]; then
echo "Ethernet on adapter $adapter is connected"
return 0
else
echo "Ethernet on adapter $adapter is not connected"
return 1
fi
}
open_app() {
app="$1"
if ! pgrep -f "$app" >/dev/null; then
/usr/bin/open -a "$app"
fi
}
close_app() {
app="$1"
if pgrep -f "$app" >/dev/null; then
pkill -f "$app"
fi
}
main() {
if [ "$#" -ne 1 ]; then
echo "Usage: $0 <program_to_run>"
return 1
fi
adapter=$(get_adapter_name)
if [ -z "$adapter" ]; then
echo "Failed to get adapter name"
return 1
fi
app="$1"
if check_ethernet_status "$adapter"; then
open_app "$app"
else
close_app "$app"
fi
return 0
}
main "$@"