>>>>> "Jason" == Jason Janelle <[EMAIL PROTECTED]> writes:
Jason> I have been writing java on WindowsNT boxes for a while
Jason> and am just trying out java on Linux. I was trying to
Jason> issue a command to the system via this line of code:
Jason> Runtime.getRuntime().exec("ls > dir.txt");
Jason> It compiles and such but I get no dir.txt. I tryed a
Jason> waitFor() statement but no help. In windows you have to
Jason> do "cmd /c dir > dir.txt" in the exec() and I was
Jason> wondering if you have to specify a shell for linux to
Jason> run in as well.
Yes, redirection is shell feature and Runtime.exec() doesn't provide a
shell. Try
Runtime.getRuntime().exec(new String[] {"/bin/sh", "-c", "ls >dir.txt"});
Juergen
--
Juergen Kreileder, Blackdown Java-Linux Team
http://www.blackdown.org/java-linux.html
JVM'01: http://www.usenix.org/events/jvm01/
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