Java check unix file permissions

The wording "cross platform" however is unfortunate as it brings the mind to e. BegemoT BegemoT 3, 1 1 gold badge 22 22 silver badges 30 30 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Helping communities build their own LTE networks. Podcast Making Agile work for data science.

Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Visit chat. Related Hot Network Questions. The first three characters represent the permissions for the file's owner.

For example, -rwxr-xr-- represents that the owner has read r , write w and execute x permission. The second group of three characters consists of the permissions for the group to which the file belongs. For example, -rwxr-xr-- represents that the group has read r and execute x permission, but no write permission.

The last group of three characters represents the permissions for everyone else. For example, -rwxr-xr-- represents that there is read r only permission.

The permissions of a file are the first line of defense in the security of a Unix system. Directory access modes are listed and organized in the same manner as any other file.

Access to a directory means that the user can read the contents. The user can look at the filenames inside the directory. A user must have execute access to the bin directory in order to execute the ls or the cd command. To change the file or the directory permissions, you use the chmod change mode command. There are two ways to use chmod — the symbolic mode and the absolute mode. The easiest way for a beginner to modify file or directory permissions is to use the symbolic mode.

With symbolic permissions you can add, delete, or specify the permission set you want by using the operators in the following table. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. How to check if a user can access a given file? Ask Question. Asked 8 years, 6 months ago. Active 1 year, 6 months ago. Viewed k times. Improve this question. Metalcoder Metalcoder 1, 1 1 gold badge 8 8 silver badges 11 11 bronze badges.

So you're question is more "how to determine why a user cannot access a file"? Add a comment. Active Oldest Votes. Improve this answer. Kevin Burke 1, 4 4 gold badges 18 18 silver badges 29 29 bronze badges. This should be the right answer. This also does not elucidate how access control lists might influence things. You can use bash to do this.

Here script is the name of the script file right? I have modified my answer to clarify that. I made a slight modification to my script to handle non-absolute paths. EvanTeitelman With an absolute path, did you mean to initialize path to be empty?