The sql() source code contd.

$sql_code_begin = "set echo off pages 200 verify off ...etc.";

define sqlplus code to precede passed in sql code

$sql_code_end = "\nset head on lines 80 ...etc. \nquit;\n";

define sqlplus code to follow passed in sql code

@sql_array[0..2] = ($sql_code_begin, @sql_code, $sql_code_end);

concatenate code pieces onto one array variable

@sql_code = @sql_array;

and rename the var