Check FTP/SFTP status in Shell script

Status of FTP / SFTP can be check with below code in the shell script


2>&1 -- This is going to redirect stderr to stdout


result=`ftp -nv 111.111.111.111 << EOF 2>&1
user $USER $PASSWD
put file.txt
bye
EOF`

ctr=`echo "$result" | grep "226 Transfer complete" | wc -l`

#for error check, check the return string as it's different for FTP and SFTP

err_ctr=`echo "$result" | grep "Couldn't read packet" | wc -l`


if [ $ctr -gt 0 ]
then
echo "File Transfer successful"
elif [ $err_ctr -gt 0 ]
then
echo "connection failure"
fi