Shell resource client

Shell resource client

Shell resource client

Format

A R6 object of class ShellResourceClient

Details

Executes local system shell commands.

Super classes

resourcer::ResourceClient -> resourcer::CommandResourceClient -> ShellResourceClient

Methods

Public methods

• ShellResourceClient$new()

• ShellResourceClient$getAllowedCommands()

• ShellResourceClient$copyFile()

• ShellResourceClient$exec()

• ShellResourceClient$clone()

Inherited methods

• resourcer::ResourceClient$asDataFrame()
• resourcer::ResourceClient$asTbl()
• resourcer::ResourceClient$close()
• resourcer::ResourceClient$downloadFile()
• resourcer::ResourceClient$getConnection()
• resourcer::ResourceClient$getResource()

---

Method new()

Create a ShellResourceClient instance. This client will interact wtih a computation resource using shell commands.

Usage

ShellResourceClient$new(resource)

Arguments

resource

The computation resource.

Returns

The ShellResourceClient object.

---

Method getAllowedCommands()

Get the command names that can be executed.

Usage

ShellResourceClient$getAllowedCommands()

Returns

A character vector

---

Method copyFile()

Copy one or more files (wilcard * is supported in the file name (which can be a directory))

Usage

ShellResourceClient$copyFile(file, to = ".", verbose = FALSE)

Arguments

file

The file to copy.

to

The copy destination.

verbose

If TRUE, details the file operations on the console output.

Returns

The path to the files having been copied.

---

Method exec()

Executes a shell command in the working directory specified in the resource's URL.

Usage

ShellResourceClient$exec(command, params = NULL, test = FALSE)

Arguments

command

The command name.

params

A character vector of arguments to pass.

test

If TRUE, the command is printed but not executed (for debugging).

Returns

The command execution result object.

---

Method clone()

The objects of this class are cloneable with this method.

Usage

ShellResourceClient$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.