Answer / sas learner

The informat $8. is almost identical to the $CHAR8. informat. However, $CHARw. does not trim leading blanks nor does it convert a single period in an input field to a blank, while $w. does both.

This is from sas help document..

Answer / chandrakanth

I do not know whether you made a typo, I am explaining you question as is

informat$8.-SAS takes this as a character variable called informat with total length defined as 8

(If I assume, it is $informat8. (not informat$8.)in your question it is the general form of informats to represent a character informat, likewise a numeric informat represented as informatw.d and date as informatw. w being the width and d being the decimal places)

whereas

$char8. is one kind of informat for a character variable whose length is 8...

Please let me know if you are not satisfied with answer...will explain in detail...

Answer / sundeep

informat is as same as $char but we use informat in defining a type(character or date) and $char is used only for specifying character length

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