Re: [TCLUG-DEVEL:306] Linux/Java Question

[Bob Tanner <tanner@real-time.com>]

Quoting Perry Hoekstra (dutchman@uswest.net):
> Greet the sun all,
> 
> I have a Linux/Java question.  It involves the exec() method.
> 
> I instantiated a Runtime object using java.lang.Runtime.getRuntime(). I
> am using the exec method to execute a statement at the command line.
> 
> //Gets a runtime environment for executing GUNZIP and TAR.
> Runtime rt = java.lang.Runtime.getRuntime();
> 
> //Executes GUNZIP and TAR.
> rt.exec("gunzip -c " + tarFilePath + "/" + tarFiles[i] + " | tar xvf
> -");
> 
> The statement decompresses a TAR file using GUNZIP and then extracts the
> member files from the TAR archive. When I type in the statement at the
> command line, it works to unzip and extract my files. However, when I
> run the application, the statement doesn't unzip or extract the files,
> and it doesn't throw an error either. How can I unzip and extract the
> files from a Java application?
> 
> Example Statement: gunzip -c
> /home/phoekstra/content/tta/images/001_img.tar.gz | tar xvf -
> 
> Thank you,
> 

Under linux just 

rt.exec("tar -xvzf "+tarFilePath+"/"+tarFiles[i]);

-- 
Bob Tanner <tanner@real-time.com>       | Phone : (612)943-8700
http://www.mn-linux.org                 | Fax   : (612)943-8500
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