get response code, all headers, specific headers and response body from CURL

all_curl.sh

res=$(curl "https://zgheb.com" -i -sS -w "\r\n%{http_code}")

responseCode=$(echo "$res" | tail -1)
headersAndBody=$(echo "$res" | head -n -1)
headers=$(echo "$headersAndBody" | awk '{if($0=="\r")exit;print}')
body=$(echo "$headersAndBody" | awk '{if(body)print;if($0=="\r")body=1}')

powered=$(echo "$res" | grep -Fi "X-Powered-By"  | cut -d ":" -f2 | awk '{$1=$1};1')

echo "Response Code:"
echo $responseCode
echo "----------------"
echo "Headers:"
echo "$headers"
echo "----------------"
echo "Header Value of X-Powered-By:"
echo $powered
echo "----------------"
echo "Body:"
echo $body