while

Executes a block of PSL code while the evaluation of a statement is TRUE.

Syntax

 while ( expression ) { BLOCK }

Parameter	Definition
expression	PSL statement whose evaluation returns either TRUE or FALSE
BLOCK	one or more PSL statements that execute repeatedly as long as expression evaluates to TRUE

The while loop executes statements as long as expression evaluates to TRUE (non-zero).

The following sample PSL statements print the integers from 1 to 10:

 x = 1;
while (x <= 10){
	print (x, " ");
	x++;
} 
print ("\n");