How do you use sub-string as a Pseudo-variable in PL/1? How can we use the var

How do you use sub-string as a Pseudo-variable in PL/1? How
can we use the variables?

Question Posted / khbnaidu

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How do you use sub-string as a Pseudo-variable in PL/1? How can we use the variables?..

Answer / vamseedharr

the speciality of pl1 is pseudo variable concept...

consider following example

substr(x,2,3) = y ;

U can compare a part of 'x' variable directly with 'y'
variable.No need of placcing the result of substr into a
variable.

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