If your commands are not terribly interactive, you can write the commands to a file, and use system() or backticks to execute the command, piping the file to the input of the SSH client.
This has a few caveats, however. You need to set up passwordless SSH first, because SSH does not like accepting passwords on STDIN.
Here's an example:
use strict;
use warnings;
my @output=`ssh 172.16.2.3<in.asc`;
print "And here's the output:\n";
print @output;
This assumes, however, that you have written all commands to a file called in.asc
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