hangs at some point between 8000 and 10000 characters.

What's the betting that it is somewhere around 8192, the size of PerlIO IO buffers since 5.1(2|4|?).

Maybe someone how has reproduced it could try disabling the buffering and see if that changes anything.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
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In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^2: Net::SSH::Perl doesn't like long commands by BrowserUk
in thread Net::SSH::Perl doesn't like long commands by pattyj

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