[GENERAL] PG equivalent of "mysqlhotcopy"?

Although mysqldump is the official solution, there's a fabulous perl
script "mysqlhotcopy" that simply copies the data from MySQL tables in
folders and restoring the data is as simple as copying the files back
to their /var/lib/mysql/data location.

I know about pg_dumpall, which creates a humongous SQL file, but is
there something equivalent in the postgresql world, like a
"pgsqlhotcopy" which copies data folders in a similar way as
mysqlhotcopy?

Thanks!

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