Changes:

1. get connection settings from command line:
   ./find.best.tablespace.split.pl “dbi:Pg:dbname=depesz;host=127.0.0.1;port=12345" depesz
2. calculate only for public schema (can be easily changed)
3. distribute indexes as well – always put indexes on another tablespace than table
4. add comment in generated file about total filesizes in tablespaces *after* migration – so it will be clearer on what to move

svn is located here.