hdfsCopyFrom (Function)

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hdfsCopyFrom (Function)

In french: hdfsCopieDepuis

Copies a file found on a Hadoop server to the local computer.

Example

// Connection
MyConnection is hdfsConnection
MyConnection..namenode = "MyServer"
MyConnection..User = "Admin"
hdfsOpenConnection(MyConnection)
// Copy from the server to the local computer
hdfsCopyFrom(MyConnection, "/tmp/test.data", "c:\temp\test.data")

Syntax

<Result> = hdfsCopyFrom(<Connection> , <Source file> , <Destination file> [, <Progress Bar>])

<Result>: Boolean

True if the copy was performed,
False if a problem occurred. ErrorInfo is used to identify the error.

<Connection>: hdfsConnection variable

Name of hdfsConnection variable corresponding to the connection to the Hadoop server.

<Source file>: Character string (with quotes)

Absolute path of file found on the Hadoop server. This path is case sensitive.

<Destination file>: Character string (with quotes)

Path of the local file corresponding to the destination (up to 260 characters). This parameter can correspond to:
a file name. This file will be automatically created in the current directory (returned by fCurrentDir).
a file name with its full or relative path. A UNC path can be used.

<Progress Bar>: Optional control name

Name of the Progress Bar control used to see the progress of file retrieval.
This parameter is not available.

Business / UI classification : Business Logic

Component : wd250big.dll