AHGscanDim Macro - Sequential Word Extraction

This macro retrieves three consecutive tokens (words) from a source string (`str`). The starting index is determined by the formula `(dimNum-1)*by`. The macro returns elements at calculated positions +1, +2 and +3. It should be noted that the `dlm` parameter (delimiter) is present in the signature but is not used in the `%scan` calls within the macro body (default delimiters therefore apply).

Data Analysis

Type : CREATION_INTERNE

The code only performs string manipulations in SAS macro language without data access.

1 Code Block

MACRO

Explanation :
Defines the macro that concatenates the results of three successive %scan functions to extract adjacent text segments.

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1	%macro AHGscanDim(str,dimNum,BY=2,dlm=%str( ));
2	%scan(&str,%eval(( &dimNum-1)&BY +1)) %scan(&str,%eval(( &dimNum-1)&BY +2)) %scan(&str,%eval(( &dimNum-1)*&BY +3))
3	%mend;
4

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