deleteFile

Delete file from device

Syntax

deleteFile(device,filename)

Description

deleteFile(device,filename) deletes the specified file from the ROS or ROS 2 device.

Examples

Put, Get, and Delete Files on ROS Device

Put a file from your host computer onto a ROS device, get it back, and then delete it.

Connect to a ROS device. Specify the device address, user name, and password of your ROS device.

d = rosdevice('192.168.17.128','user','password');

Put a new text file that is in the MATLAB(R) current folder onto the ROS device. The destination folder must exist.

putFile(d,'test_file.txt','/home/user/test_folder')

Get a text file from the ROS device. You can get any file, not just ones added from MATLAB(R). By default, the file is added to the MATLAB current folder.

getFile(d,'/home/user/test_folder/test_file.txt')

Delete the text file on the ROS device.

deleteFile(d,'/home/user/test_folder/test_file.txt')

Put, Get, and Delete Files on ROS Device Using Wildcards

Put a file from your host computer onto a ROS device, get it back, and then delete it. Use wildcards to search for all matching files.

Note: You must have a valid ROS device to connect to at the IP address specified in the example.

Connect to a ROS device. Specify the device address, user name, and password of your ROS device.

d = rosdevice('192.168.17.128','user','password');

Put all text files at the specified path onto the ROS device. The destination folder must exist.

putFile(d,'C:/MATLAB/*.txt','/home/user/test_folder')

Get all text files from the ROS device. You can get any files, not just ones added from MATLAB(R). By default, the files are added to the MATLAB current folder.

getFile(d,'/home/user/test_folder/*.txt')

Delete all text files on the ROS device at the specified folder.

deleteFile(d,'/home/user/test_folder/*.txt')

Input Arguments

device — ROS or ROS 2 device

rosdevice object | ros2device object

ROS or ROS 2 device, specified as a rosdevice or ros2device object, respectively.

filename — File to delete

character vector

File to delete, specified as a character vector. When you specify the file name, you can use path information and wildcards.

Example: '/home/user/image.jpg'

Example: '/home/user/*.jpg'

Data Types: cell

Version History

Introduced in R2019b