asked on

SFTP using BASH script

Hello Experts,

I want to write a script to send folder from local server to another server using SFTP.

Using username "oracle".
oracle@**********'s password:
Last login: Wed Aug 19 23:15:50 2015 from ***********
[oracle@********** ~]$ sftp root@**********
Connecting to **********...
root@**********'s password:
sftp> cd /root/Desktop/exp_files
sftp> lcd /home/oracle/app/EXP_DIR
sftp> put test.txt
Uploading test.txt to /root/Desktop/exp_files/test.txt
test.txt                                      100%    5     0.0KB/s   00:00
sftp> put test
skipping non-regular file test
sftp> put test/
skipping non-regular file test/
sftp> put -r test
put: Invalid flag -r
sftp> put -r test/*
put: Invalid flag -r
sftp> bye
[oracle@********** ~]$

Open in new window

I know if I zip the folder then I can send it and unzip it but this is not allowed as per the customer.
So can I create the same directory on the SFTP server and move all the files under it .

The script what I was looking to take 4 parameters like : host name , username , password , local path , remote path , foldername

Looking for the help here ,

Thanks in advance.

omarfarid

you can use scp -r rather sftp. To automate passing user name/password you can use expect. Or you can set trust between your account and remote account (in this case password is required).

Please see links below for more info / help.

http://expect.sourceforge.net/
https://blogs.oracle.com/jkini/entry/how_to_scp_scp_and
http://linux.die.net/man/1/scp
http://www.hypexr.org/linux_scp_help.php

Swadhin Ray

ASKER

I have written the script as below:

#!/bin/bash
 HOST=$1
 USER=$2
 PASSWORD=$3
 SOURCE_DIR=$4
 SOURCE_FILE=$5
 TARGET_DIR=$6
 
/usr/bin/expect<<EOD > output.log
spawn /usr/bin/sftp -o $USER@$HOST
expect "password:"
send "$PASSWORD\r"
expect "sftp>"
send "lcd $SOURCE_DIR\r"
expect "sftp>"
send "cd $TARGET_DIR\r"
expect "sftp>"
send "put $SOURCE_FILE\r"
expect "sftp>"
send "bye\r"
EOD
RC=$?
if [[ ${RC} -ne 0 ]]; then
  cat output.log | "Errors Received" 
else
  echo "Success" | "Transfer Successful" 
fi

Open in new window

Now I am running the script like below but I am getting the errors too:

oracle@vmidelpgeismdb sftp]$ ./sftp.sh myhost root metlan /home/oracle/app/EXP_DIR test.txt /root/Desktop/exp_files
invalid command name "sftp"
    while executing
"sftp -o root@myhost"
./sftp.sh: line 24: Errors Received: command not found
[oracle@vmidelpgeismdb sftp]$ ./sftp.sh myhost root metlan /home/oracle/app/EXP_DIR test.txt /root/Desktop/exp_files
send: spawn id exp4 not open
    while executing
"send "metlan\r""
./sftp.sh: line 24: Errors Received: command not found
[oracle@vmidelpgeismdb sftp]$

Open in new window

omarfarid

But why you want to use sftp if it is not copying sub folders?

Did you try scp -r ?

Swadhin Ray

ASKER

will create a folder on target machine and then will place all the files from source to target. but yes want to use only SFTP.

Swadhin Ray

ASKER

I have changed the script which is working fine.

#!/usr/bin/expect

set timeout -1

if { $argc != 6 } {
    puts "Usage $argv0 host user pass cd lcd file "
    exit 1
}

set host [lindex $argv 0]
set user [lindex $argv 1]
set pass [lindex $argv 2]
set cd [lindex $argv 3]
set lcd [lindex $argv 4]
set file [lindex $argv 5]

spawn sftp -oStrictHostKeyChecking=no -oCheckHostIP=no $user@$host
expect *assword:

send "$pass\r"
expect sftp>

send "cd $cd\r"
expect sftp>

send "lcd $lcd\r"
expect sftp>
send "put $file\r"

send "exit\r"
expect eof

Open in new window

But want to add something like below :

RC=$?
if [[ $RC -ne 0 ]]; then
  cat output.log | "Errors Received" 
else
  echo "Success" | "Transfer Successful" 
fi

Open in new window

So that when i execute the script this will return me if file transfer is success or failed .

Can you help me in this part.

ASKER CERTIFIED SOLUTION

omarfarid

membership

This solution is only available to members.

To access this solution, you must be a member of Experts Exchange.

Start Free Trial

Swadhin Ray

ASKER

thanks