Read IP hosts from ip.txt and execute ssh and scp through them

sshscp_to_multiple_hosts.txt

# Read IP hosts from ip.txt and iterate through them 
# send "executable" file over ssh and  do some stuff

while IFS= read -r dest; do
 if scp -P8787 -O -oHostKeyAlgorithms=+ssh-rsa executable "root@$dest:/tmp/."; then
	echo "Success fw transfer: $dest"
 fi
 if  ssh -n -oHostKeyAlgorithms=+ssh-rsa "root@$dest" -p22 'mv /tmp/executable /root/executable && chmod +x /root/executable && ls -lah /root/executable'; then
	echo "Success: $dest"
	sleep 1
 else
	echo "Failed: $dest"
 fi
 done <ip.txt 2> ssherr.txt