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How do I move into a directory?

by Zombie Corrupt_SYN (Initiate)
on Sep 10, 2001 at 13:54 UTC ( #111415=categorized question: print w/replies, xml ) Need Help??
Contributed by Zombie Corrupt_SYN on Sep 10, 2001 at 13:54 UTC
Q&A  > directories


Description:

I tried the obvious
system "cd $dir";
But this seems to have no effect.
How do I change directory within a perl program?

Answer: How do I move into a directory?
contributed by davis

Use chdir. You might find the Cwd module useful as well; it will (optionally) override the built-in chdir function with one which keeps the "current working directory" (cwd) in sync.

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    [Corion]: ambrus: Yeah - I don't think the deep source dive will be necessary if things are implemented as simple as they could be :)) And hopefully I won't need (more) timely object destruction. I can update the screen at 60Hz and hopefully even do HTTP ...
    [Corion]: ... transfers in the background. Now that I think about it, this maybe even means that I can run the OpenGL filters on Youtube input :)
    [ambrus]: Corion: I mentioned that the unix event loop of Prima always wakes up at least once every 0.2 seconds. Have you found out whether the win32 event loop of Prima does that too?
    [Corion]: ambrus: Hmm - I would assume that the onDestroy message is sent from the destructor and doesn't go through the messageloop, but maybe it is sent when a window gets destroyed but all components are still alive...
    [ambrus]: Corion: partly deep source dive, partly just conservative coding even if it adds an overhead.
    [Corion]: ambrus: Hmm - no, I haven't looked at wakeup intervals ... I wonder why it should want to wakeup periodically because it gets a lot of messages from the Windows message loop (on Windows obviously)
    [ambrus]: (Alternately a deep source dive and then rewrite that event loop to make it better, and then as a bonus you get an idle method.)
    [ambrus]: The 0.2 seconds wakeup is likely a workaround for some bug, but I can't guess what bug that is.
    [ambrus]: It's been there since Prima 1.00 iirc
    [Corion]: Hmmm... Weird. Maybe it needs that for doing its timers or something. Still weird.

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