rmongodb (version 1.8.0)

mongo.gridfile.get.descriptor: Get the descriptor of a mongo.gridfile

Description

Get the descriptor of a mongo.gridfile. This descriptor is the document describing the given gridfile as stored on the MongoDB server in the 'files' collection of the GridFS .

Usage

mongo.gridfile.get.descriptor(gridfile)

Arguments

gridfile

A (mongo.gridfile) object.

Value

(mongo.bson) The descriptor of gridfile.

Details

See http://www.mongodb.org/display/DOCS/GridFS+Specification.

See Also

mongo.gridfs, mongo.gridfs.find, mongo.gridfile, mongo.gridfile.get.filename, mongo.gridfile.get.length, mongo.gridfile.get.chunk.size, mongo.gridfile.get.chunk.count, mongo.gridfile.get.content.type, mongo.gridfile.get.upload.date, mongo.gridfile.get.md5, mongo.gridfile.get.metadata, mongo.gridfile.get.chunk, mongo.gridfile.get.chunks, mongo.gridfile.read, mongo.gridfile.seek, mongo.gridfile.pipe.

Examples

mongo <- mongo.create()
if (mongo.is.connected(mongo)) {
    gridfs <- mongo.gridfs.create(mongo, "grid")
    mongo.gridfs.store.file(gridfs, "tests/test.R", "test.R")

    gf <- mongo.gridfs.find(gridfs, "test.R")
    if( !is.null(gf)){
      print(mongo.gridfile.get.descriptor(gf))

      mongo.gridfile.destroy(gf)
    }
    mongo.gridfs.destroy(gridfs)
}