Data upload from file
    (csv, dsv, gpx, ods, shape, tsv, xls, xlsx, sqlite, fasta, json):

    Special files - read file as: Extra arguments for processing file
        CSV arguments: charachter encoding (c:), separator character (s:), decimal character (d:), header line (h:)
        SHP arguments: EPSG:epsg_srid
        SQLite arguments: layer's name
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