Are there any other ways of solving this problem?

Yes, use Net::OpenSSH!

update (now that I have a real keyboard):

Net::OpenSSH does the quoting for you transparently. For instance... 

$ssh->system('argcount', 'a;b;c');

[download]
says 1.

If arguments are passed as scalar references, an alternative quoting mechanism that lets glob patters pass unquoted is used: 

$ssh->system('ls', \'/home/jsmith/*.png');

[download]

If you need to run your ssh commands through an intermediate machine, then you can... 

$ssh->system('ssh', $host, $ssh->shell_quote($cmd, @args));

[download]
Though, probably, you would be able to bypass the intermediate host and get a Net::OpenSSH that runs commands directly on the remote side.

In reply to Re: safely passing args through ssh by salva
in thread safely passing args through ssh by perl5ever

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