How to set 777 permission on a folder structure in Linux from Java?

Question

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How do i programmatically change file permissions?
How can I set the umask from within java?

In Linux, I am trying to give full permission (777) to a folder structure (say ex: "home/test/sample/") for creating a MySQL table with changing the data directory to the user specific location from my application which is written in Java.

How can I give full permission to a folder structure from Java?

See the answer [here](http://stackoverflow.com/questions/664432/how-do-i-programmatically-change-file-permissions) — didster, Oct 08 '12 at 09:00

score 2 · Accepted Answer · edited Oct 08 '12 at 09:33

2

You have to use a Operating System dependent code just like this:

    Runtime rt = Runtime.getRuntime();
    Process proc;
    int exitVal = -1;
    try {
        proc =  rt.exec("chmod 777 "+file);
        exitVal = proc.waitFor();
    } catch (Exception e) {}

edited Oct 08 '12 at 09:33

Tarun Gupta

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answered Oct 08 '12 at 09:02

PbxMan

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Try based on the above code, after executing this, Iam trying to create mysql table, it shows error like this : ERROR 1 (HY000): Can't create/write to file '/home/test/Sample/test1/sample.MYD' (Errcode: 13) (The specified directory now gain full permission. But table couldnot be created) – Haseena Oct 08 '12 at 09:56
check the owner and group permission for that newwly created dir. – Gnanz Oct 08 '12 at 10:58

How to set 777 permission on a folder structure in Linux from Java?

1 Answers1