.CONVERT FROM BASE64

This subroutine converts Base64 data to Appx raw data (Release 6.2.0 & higher).

Usage:

    PASS        <raw data>                FIELD           SHARE? Y
    PASS        <base64 data>             FIELD           SHARE? N
    PASS        <length to encode>        FIELD           SHARE? N
    GOSUB   --- .CONVERT FROM BASE64
     *       Check for errors
    IF      --- .CONVERT FROM BASE64      NE

Description:

This subroutine converts Base64 data to Appx raw data. All parameters are required, the subroutine will CANCEL if they are not PASSed.

<raw data> is the location to put the converted raw data(Required). This must be PASSed with Share "Y" to return the result.

<base64 data> is the location of the base64 data to be convert to raw data (Required). base64 data cannot exceed 32000 characters.

<length to encode> is the number of bytes to convert to raw (Required). This is an integer in the range of 1-32000.

If you want to convert raw data to base64 data, see .CONVERT TO BASE64.

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-- BrianRyan - 2022-04-29