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Macro Functions

%LENGTH Function



Returns the length of a string.
Type: Macro function

Syntax
Details
Example
Returning String Lengths

Syntax

%LENGTH (character string | text expression)


Details

If the argument is a character string, %LENGTH returns the length of the string. If the argument is a text expression, %LENGTH returns the length of the resolved value. If the argument has a null value, %LENGTH returns 0.


Example


Example 1: Returning String Lengths

The following statements find the lengths of character strings and text expressions.

%let a=Happy;
%let b=Birthday;

%put The length of &a is %length(&a).;
%put The length of &b is %length(&b).;
%put The length of &a &b To You is %length(&a &b to you).;

When these statements execute, the following is written to the SAS log:

The length of Happy is 5.
The length of Birthday is 8.
The length of Happy Birthday To You is 21.

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