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SFTP bash put/get/rm check

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# 1  
Old 11-03-2011
SFTP bash put/get/rm check
Hello, i'm doing something like that


Code:
#!/bin/sh
sftp 172.18.255.140 <<End-Of-Session >> /usr/batch/logsftp.txt
user batch
ascii
lcd /usr/batch
get olaola.txt
bye
End-Of-Session
　
if [ $? != 0 ]
then
echo MAL >> /usr/batch/logsftp.txt
echo $? >> /usr/batch/logsftp.txt
exit $?
else
echo BIEN >> /usr/batch/logsftp.txt
echo $? >> /usr/batch/logsftp.txt
exit $?
fi


I want to check if the file that i want to get of the remote server exist or not.
then i want to check if one file that i want to put in the remote server exist after the put command, and if i try to do a rm in the remote control i want to check if the rm command itīs OK or not.

Ultimately, i want to check after i do a put/get/rm command if the command really had do this actions or not.

how i can do this??

thank you for advance
Last edited by pludi; 11-03-2011 at 09:19 AM..
# 2  
Old 11-03-2011
I guess you'll have to have a series of sftp actions where you will have to grep the messages, as even if sftp encounters an error in any transfer action, the program sftp works fine still for itself and will give you a 0 as return code.

Maybe it will be easier, if possible in your environment, to use ssh for checking and scp for transfers.
# 3  
Old 11-03-2011
Yes, i use scp and ssh into unix enviroment, but if i have to do a put command on a unix enviroment to a windows enviroment how i can to check if the files arrive on a win server??
# 4  
Old 11-03-2011
You can do:
Code:
scp ./TestFile.txt user@host:./remotepath
if [ ${?} -ne 0 ]
then
     echo "Failed to send file to remote host!"
     exit 1
fi

remoteFile=`echo "ls -1 ./remotepath/TestFile.txt | wc -l"  | ssh -C -T -l user host`
if [ ${remoteFile} -ge 1 ]
then
     echo "File successfully sent!"
fi

Untested, but it should work!
# 5  
Old 11-03-2011
the proble is that i only have a ftp user, i can connect only to a 21 port. I can't do a scp into unix to de win server.
# 6  
Old 11-03-2011
FTP has the "dir" command, you can send the file (put) and after do a "dir <filename>", but you will need to parse the FTP output.

Or another option is to try to transfer the file back to you, to see if it was properly sent, but this is not a good option if you have a big file.

Let see if someone else has any other option for this.
# 7  
Old 11-03-2011
FTP is very simple and stupid. It's also not always the same, which makes parsing 'DIR' output annoying. It's also very insecure -- passwords transmitted as plaintext. Trying to script with it is annoying at best.

Is the server on the same network as you? Would it be possible to export the directory as a windows file share, then mount it on your UNIX system? There's various ways to do that on different systems. Linux can handle them natively with the cifs driver.

Then it'd be as simple as making sure the share is mounted, copying the file, looking for other files, removing, etc. No FTP baggage.
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