Re: Runtime and newgrp

From: Anthony Borla (ajborla_at_bigpond.com)
Date: 11/11/03 

Date: Tue, 11 Nov 2003 04:50:51 GMT

"C. Allen Sher" <C_Allen_Sher@yahoo.com> wrote in message
news:p7Wrb.17670$In3.2481@lakeread01...
> Has anyone ran the Unix "newgrp" command from a java Runtime object? I
> can't seem to get it to work the way it should.
>

Issuing *NIX and Linux command-line [i.e. shell] commands can be tricky,
particularly if multiple arguments and file redirection is involved.

Try:

    String shell = "/bin/sh",
           shellOpts = "/c",
           cmd = "/bin/newchrp",
           cmdArgs = "groupname > resultfile";

    String[] command = { shell, shellOpts, cmd, cmdArgs };
    Runtime.getRuntime().exec(command);

or maybe the less fancy:

    String[] command =
        {"/bin/sh", "-c", "/bin/newgrp groupname > resultfile"};

    Runtime.getRuntime().exec(command);

I hope this helps.

Anthony Borla

Relevant Pages