filemd5
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Definition
filemd5
The
filemd5
command returns the md5 hash for a single file stored using the GridFS specification. Client libraries use this command to verify that files are correctly written to MongoDB. The command takes thefiles_id
of the file in question and the name of the GridFS root collection as arguments.
Syntax
The command has the following syntax:
db.runCommand( { filemd5: ObjectId("4f1f10e37671b50e4ecd2776"), root: "fs" } )
MongoDB computes the filemd5
using all data in the GridFS file object
pulled sequentially from each chunk in the chunks
collection.