Does the hang-up occur when running the sftp commands on the command line? You could also try Net::SFTP::Foreign or Net::SFTP (lots of dependencies for this one). I find working with those packages to be a little better with respect to exception handling for doing SFTP.

In reply to Re: My Perl/Expect script aborts when sftp connection stalls at remote destination by zow
in thread My Perl/Expect script aborts when sftp connection stalls at remote destination by c84032002

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