Porting from PL/SQL to PLPGSQL

Hi All,

We are in the process of migrating of our application from Oracle to
PostGreSQL.


we are  facing a few problems with PL/SQL Code..


1)    In Oracle sqlplus we can run sql script files as @script_name;How do we do the same in PostGres.Also is there any
replacementfor "&&" in PostGres ?
 

Eg:    CREATE USER CATALOG    IDENTIFIED BY &ORA_PASSWORD    DEFAULT TABLESPACE &DFLT_TABLESPACE    TEMPORARY
TABLESPACE&TEMP_TABLESPACE
 


2)     In PostGres a function can not take more 16 arguments.We have some
procedures which are taking more than 16 arguements.So how can we convert them into PostGres.



Can anyone give some valuable suggestions..


Regards

Joe.