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Using SSH and SFTP in Perl for transfering files

Posted on 2007-12-02
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I need to write a script in Perl that uses SFTP and SSH, for transfering files between windows and unix OS.  The ssh on the windows is Cygwin open ssh.   I  am currenlty working on buliding the script but was looking for a head start., due to a work deadline.   I have done a lot of develpment in perl, but I know that adding the ssh and sftp can be challenging.
Thanks for any assistance.
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Question by:davidefish
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6 Comments
 
LVL 48

Assisted Solution

by:Tintin
Tintin earned 160 total points
ID: 20393574
You could use one the the Perl SFTP modules, or just supply the commands yourself, eg:

open SFTP, "|sftp host" or die "Can not run sftp $!\n";

print SFTP <<EOF;
cd /dir
get file
exit
EOF


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Author Comment

by:davidefish
ID: 20396127
Thanks for the assistance but I was looking for a little more structure relating to perl.    There is a little more substance in the implementation of ssh and sftp in perl.
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LVL 48

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by:Tintin
Tintin earned 160 total points
ID: 20398198
The code I have given will work perfectly for sftp so long as you've setup the ssh keys.

If you want something more "perlish", then look at:

http://search.cpan.org/~ivan/Net-SSH-0.08/SSH.pm

and

http://search.cpan.org/~dbrobins/Net-SFTP-0.10/lib/Net/SFTP.pm

Note that Net::SFTP uses is written in pure perl and uses Net::SSH::Perl for the underlaying SSH mechanism.  This sort of defeats the purpose if you already have ssh installed.
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Accepted Solution

by:
davidefish earned 0 total points
ID: 20792989
I have switched to SCP for now.  I was unsuccessful in getting the above code from perl to work but will continue to look into it.
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Expert Comment

by:Mr_Ragno
ID: 26836091

What does mean SCP?
Tintin said that he had implemented a good solution, just need to setup ssh keys, how can I setup the ssh keys?
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LVL 39

Expert Comment

by:Adam314
ID: 28580578
SCP is for Secure Copy.  It copies files using the SSH protocol.

To create keys: http://pkeck.myweb.uga.edu/ssh/
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