IBM REXX Interview Question:

Suppose If there are a set of statements and each has a word "value" in it, If I want to display all these statements so that the word "value" is aligned, then how do
I code this in REXX.
e.g - The value of X is Y.
Wot is its value?
Do u know its value?
I want to know its value?

Submitted by: Administrator

/**REXX**/
ADDRESS TSO
"ALLOC DD(INP1) DA('input-dataset') SHR REUS"
"EXECIO * DISKR INP1 (STEM IN1. FINIS"
MAX_OFFSET = 0
INP_OFFSET = 0
DO I = 1 TO IN1.0
PARSE UPPER VAR IN1.I INP
INP_OFFSET = POS("VALUE",INP)
IF INP_OFFSET > MAX_OFFSET THEN
DO
MAX_OFFSET = INP_OFFSET
END
END
DO I = 1 TO IN1.0
PARSE UPPER VAR IN1.I INP
Z = POS("VALUE",INP)
SAY LEFT(SUBSTR(IN1.I,1,(Z - 1)),(MAX_OFFSET - 1))||,
SUBSTR(IN1.I,Z,20)
END
"FREE DD(INP1)"
Submitted by: Administrator