> Can someone tell my why this top script breaks with "<stdin>:5: ERROR:
> syntax error at or near echo", but the bottom one works?  Commenting out
> that first echo makes the error go away.

In effect, the "cluster" and "node conninfo" statements represent a sort
of "preamble" to the Slonik script, and you can't put the echo statement
inside that section.

Move the echo to _after_ you define the nodes and it should work fine.