Shell Programming and Scripting

Hi Friends

I need to check the status of FTP connection i.e. Whether it is successful or not

I have tried this by assigning the FTP connection script to a variable and after that using this variable I tried to check the status.

In the below code snippet I am trying to assign the FTP conenction status to a variable.

Code:

 
STATUS=`ftp -n $HOST <<EOF
quote USER $USER
quote PASS $PASSWD
prompt off
cd /user/sba-appl/test/sscr/ramu/
lcd /user/sba-appl/productie/sscr/darshan
mget  get.DAT
bye
EOF`

Can anyone tell whether this approach is correct or not. When i am trying this method FTP connection is not happening. Whether we can assign the FTP connection like this

Because after this i can use the above variable and check the status for various FTP states like 226 553etc using the grep command.

Thanks and Regards
Darshan

Different clients return different $? values; most return 0 regardless of the result of the FTP operation.

As you already pointed out, you can store the full output in $STATUS by using verbose flag, then look up for a successful FTP code (225 for successful data connection or 226 for successful file transfer). Something like:

Code:

STATUS=`ftp -nv $HOST <<EOF
<...ftp commands...>
EOF

if [ "$(echo $STATUS | grep -c 226)" -ge 1 ]; then echo "Success"; fi

Of course this assumes you aren't transfering a file with "226" as part of its name.

Keep in mind that FTP code 226 can also show up when you manually abort a transfer that is already in progress. Not sure if this is an issue for your process.