num-records ( path -- n )

Vocabulary

shapefiles.private

Inputs

path

an object

Outputs

n

an object

Definition

USING: accessors io.encodings.binary io.files math sequences ;

IN: shapefiles.private

: num-records ( path -- n )
    ".shx" append binary
    [ read-header file-length>> 2 * 100 - 8 / ] with-file-reader
    ;