Ruby Delete Files In Directory

The following tutorial describe how to delete files and directories that you no longer need in your application.

Ruby delete files in directory. On unix based systems permissions are. You can read a file in ruby like this. A file is an abstraction of any file object accessible by the program and is closely associated with class io file includes the methods of module filetest as class methods allowing you to write for example file exist foo. How to read files in ruby.

Close the file with the close method. Objects of class dir are directory streams representing directories in the underlying file system. To delete a file you need to use delete command of the file class. They provide a variety of ways to list directories and their contents.

From file i should get the directory i ve used file dirname file from that directory i should delete all files and sub directories except from the given file in this case file1 i m making confusion when i try to iterare on the files and irectory in that folder and i m scared to make test of deleting files in the system. Open the file with the open method. You can rename and delete files programmatically with ruby with the rename and delete methods. Here is the process in detail.

It s so easy with ruby to get a list of files in the current directory that i hesitate to write this but hey this blog is for me and my bad memory so here s a quick note on how to use ruby to get a list of files of a certain type in a directory. File is the resource. Name is the name given to the resource block. Renaming and deleting files.

Removing single file in ruby is simple and straightforward with file delete this method deletes the named files returning the number of names passed as arguments. It is very easy to delete files using ruby. Action identifies which steps chef infra client will take to bring the node into the desired state. Following is the example to rename an existing file test1 txt usr bin ruby rename a file from test1 txt to test2 txt file rename test1 txt test2 txt following is the example to delete an existing file.

To have a little fun with this i ll use irb the interactive ruby shell environment to show how to do this. Deleting a single file. Atomic update backup checksum content force unlink group inherits manage symlink source mode owner path rights sensitive and verify are properties of this resource with the ruby type shown. In the description of file methods permission bits are a platform specific set of bits that indicate permissions of a file.

The directory used in these examples contains the two regular files config h and main rb the parent directory and the directory itself.