exists: Test if an entry exists on a virtual device

In adfExplorer: Access and Manipulate Amiga Disk Files

Test if an entry exists on a virtual device

Description

Test if an entry (file or directory) exists on a virtual ADF device. adf_file_exists() is the equivalent of file.exists() on a virtual ADF device. adf_dir_exists() is the equivalent of dir.exists() on a virtual ADF device.

Usage

adf_file_exists(x, path, ...)

## S3 method for class 'adf_device'
adf_file_exists(x, path, ...)

## S3 method for class 'virtual_path'
adf_file_exists(x, path, ...)

adf_dir_exists(x, path, ...)

## S3 method for class 'adf_device'
adf_dir_exists(x, path, ...)

## S3 method for class 'virtual_path'
adf_dir_exists(x, path, ...)

Arguments

x	Either a virtual device or virtual path.
path	A virtual_path() pointing to the targeted entry (file or directory). Should be omitted when x is already a virtual path.
...	Ignored

Value

adf_file_exists() returns TRUE if the path exists on the virtual device, FALSE otherwise. adf_dir_exists() returns TRUE when the path exists and is a directory, FALSE otherwise.

Author(s)

Pepijn de Vries

Examples

## First setup a connection to a virtual device
my_device <- demo_adf()

adf_file_exists(my_device, "s/startup-sequence")
adf_dir_exists(my_device, "s/startup-sequence")

close(my_device)

adfExplorer documentation built on April 3, 2025, 7:45 p.m.