Execute OS Command or External Process

PL/HQL allows you to execute an OS command or external process from a PL/HQL script:

Syntax:

! command:

!cmd [arguments];

HOST statement:

HOST string_expr

Parameters:

Parameter	Description
cmd	Any OS command or process
arguments	Optional argument list
string_expr	Command line for HOST statement

Notes:

Example:

Using ! command:

!echo Hello, world;

Using HOST statement:

HOST 'echo Hello, world';

Compatibility: Apache Hive (! command), Oracle (HOST statement).

Version: PL/HQL 0.01