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Change directory and permissions

Posted on 2003-03-14
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Last Modified: 2012-08-14
Hi all,

I need to change directories and edit permissions on a file using java.
I know you have to use the runtime environment but i was just wondering how i would do that.


i need to change directories to /usr/iplanet/servers/docs/scripts
then i need to change permissions on file run.sh to make it executable

Some example code would be helpful

thanx

Tom
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Question by:tommyboy2214
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LVL 35

Expert Comment

by:girionis
ID: 8136737
 You can use:

  Runtime.getRuntime().exec("chmod -777 /usr/iplanet/server/docs/scripts");

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girionis earned 500 total points
ID: 8136744
 sorry...

 Runtime.getRuntime().exec("chmod -777 /usr/iplanet/server/docs/scripts/run.sh");
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Author Comment

by:tommyboy2214
ID: 8136925
thanx alot


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LVL 35

Expert Comment

by:girionis
ID: 8137078
 Thank you :-) I am glad I helped. Bare in mind though that this will only work under Unix/Linux and not under Windows.
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Expert Comment

by:sct75
ID: 8137367
When you take runtime as your solution, you may sacrifice Java's portability by tying your solution specifically to the underline OS structure, for example, UNIX or Windows.

Following is what you need to do.

String userDirectory = "/usr/iplanet/servers/docs/scripts";
String[] command = new String[3];
command[0] = "chmod";
command[1] = "744";
command[2] = userDirectory + "/run.sh";

Runtime.getRuntime().exec(command);
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Expert Comment

by:girionis
ID: 8137442
 Or you can even pass the information through a properties file and load it up using ResourceBundle. Particular useful because you a) maintain java portability and b) you can load thsi info from any class and you do not have to pass it through the command prompt.
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