AzureStor (version 1.0.0)

list_adls_files: Operations on an Azure Data Lake Storage Gen2 filesystem

Description

Upload, download, or delete a file; list files in a directory; create or delete directories.

Usage

list_adls_files(filesystem, dir = "/", info = c("all", "name"),
  recursive = FALSE)
upload_adls_file(filesystem, src, dest, blocksize = 2^24, lease = NULL)
download_adls_file(filesystem, src, dest, overwrite = FALSE)
delete_adls_file(filesystem, file, confirm = TRUE)
create_adls_dir(filesystem, dir)
delete_adls_dir(filesystem, dir, recursive = FALSE, confirm = TRUE)

Arguments

filesystem

An ADLSgen2 filesystem object.

dir, file

A string naming a directory or file respectively.

info

Whether to return names only, or all information in a directory listing.

recursive

For list_adls_files, and delete_adls_dir, whether the operation should recurse through subdirectories. For delete_adls_dir, this must be TRUE to delete a non-empty directory.

src, dest

The source and destination filenames for uploading and downloading. Paths are allowed.

blocksize

The number of bytes to upload per HTTP(S) request.

lease

The lease for a file, if present.

overwrite

When downloading, whether to overwrite an existing destination file.

confirm

Whether to ask for confirmation on deleting a file or directory.

Value

For list_adls_files, if info="name", a vector of file/directory names. If info="all", a data frame giving the file size and whether each object is a file or directory.

See Also

adls_filesystem, az_storage

Examples

# NOT RUN {
fs <- adls_filesystem("https://mystorage.dfs.core.windows.net/myfilesystem", key="access_key")

list_adls_files(fs, "/")

create_adls_dir(fs, "/newdir")

upload_adls_file(fs, "~/bigfile.zip", dest="/newdir/bigfile.zip")
download_adls_file(fs, "/newdir/bigfile.zip", dest="~/bigfile_downloaded.zip")

delete_adls_file(fs, "/newdir/bigfile.zip")
delete_adls_dir(fs, "/newdir")

# }