esp_ota_example/otaflash.sh

#!/bin/bash

do_this_on_ctrl_c(){
    echo "Stopped searching!"
    exit 0
}

trap 'do_this_on_ctrl_c' SIGINT

printf "ip: %s" "$1"
printf "\n%s" "waiting for Device ..."
while ! ping -c 1 -n -w 1 $1 &> /dev/null
do
    printf "%c" "."
done
printf "\n%s\n"  "Device is online"
pio run -t upload -e d1_mini-ota --upload-port $1