rcmd_process {callr}

External ⁠R CMD⁠ Process

Description

An ⁠R CMD *⁠ command that runs in the background. This is an R6 class that extends the processx::process class.

Super class

processx::process -> rcmd_process

Methods

Public methods

• rcmd_process$new()

• rcmd_process$finalize()

• rcmd_process$clone()

Inherited methods

• processx::process$as_ps_handle()
• processx::process$format()
• processx::process$get_cmdline()
• processx::process$get_cpu_times()
• processx::process$get_error_connection()
• processx::process$get_error_file()
• processx::process$get_exe()
• processx::process$get_exit_status()
• processx::process$get_input_connection()
• processx::process$get_input_file()
• processx::process$get_memory_info()
• processx::process$get_name()
• processx::process$get_output_connection()
• processx::process$get_output_file()
• processx::process$get_pid()
• processx::process$get_poll_connection()
• processx::process$get_result()
• processx::process$get_start_time()
• processx::process$get_status()
• processx::process$get_username()
• processx::process$get_wd()
• processx::process$has_error_connection()
• processx::process$has_input_connection()
• processx::process$has_output_connection()
• processx::process$has_poll_connection()
• processx::process$interrupt()
• processx::process$is_alive()
• processx::process$is_incomplete_error()
• processx::process$is_incomplete_output()
• processx::process$is_supervised()
• processx::process$kill()
• processx::process$kill_tree()
• processx::process$poll_io()
• processx::process$print()
• processx::process$read_all_error()
• processx::process$read_all_error_lines()
• processx::process$read_all_output()
• processx::process$read_all_output_lines()
• processx::process$read_error()
• processx::process$read_error_lines()
• processx::process$read_output()
• processx::process$read_output_lines()
• processx::process$resume()
• processx::process$signal()
• processx::process$supervise()
• processx::process$suspend()
• processx::process$wait()
• processx::process$write_input()

Method new()

Start an ⁠R CMD⁠ process.

Usage

rcmd_process$new(options)

Arguments

options

A list of options created via rcmd_process_options().

Returns

A new rcmd_process object.

Method finalize()

Clean up the temporary files created for an ⁠R CMD⁠ process.

Usage

rcmd_process$finalize()

Method clone()

The objects of this class are cloneable with this method.

Usage

rcmd_process$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Examples

options <- rcmd_process_options(cmd = "config", cmdargs = "CC")
rp <- rcmd_process$new(options)
rp$wait()
rp$read_output_lines()