Zip app

Discussion in 'Mac Apps and Mac App Store' started by tuartboy, Jul 15, 2005.

  1. tuartboy macrumors 6502a

    tuartboy

    Joined:
    May 10, 2005
    #1
    Hey, I'm fairly new to this OS X thing and I have a question about archiving.

    Does the context menu archive command compress the file or just archive it? I look at the archived file and it appears to be the same size as before i zipped it. Is this supposed to happen and do I need to get 3rd party zip? I have dropbox right now, but I want something free if I can.

    Thanks guys.
     
  2. cooknwitha macrumors 6502a

    cooknwitha

    Joined:
    May 5, 2005
    Location:
    London
    #2
    It all depends on what kind of files you're trying to compress. Some won't go any smaller.

    Check out StuffIt and I'm pretty sure that zips as well. Its usually included with the OS anyway.
     
  3. tuartboy thread starter macrumors 6502a

    tuartboy

    Joined:
    May 10, 2005
    #3
    stuffit is not included with tiger

    and only expander is free. to stuff, you have to buy it
     
  4. ~Shard~ macrumors P6

    ~Shard~

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    #4
    No need to go third party - as cooknwitha said, just use StuffIt. A version should be installed already in OS X and if you need something more powerful, you can buy the Pro version for next to nothing, as I recall. Definitely worth it if you plan on doing a lot of compressing and such.
     
  5. ~Shard~ macrumors P6

    ~Shard~

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    #5
    Really? I had no idea - I'm still on Panther, and StuffIt came with my machine. Why on Earth would Apple remove a useful utility like that from the OS? Well, I guess this is another item to add to my ever-growing list of reasons not to move to Tiger...
     
  6. tuartboy thread starter macrumors 6502a

    tuartboy

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    May 10, 2005
    #6
    Yeah, I think it's because apple is now including archiving into their os. You can even get folder actions that zip any files you drop into the folder and stuff like that.

    I was just wondering why none of my files were getting smaller. I know compressing jpegs does nothing really, but i zipped some disk images i had that were 700 meg or so and nothing happened. That seemed odd.
     
  7. DavidLeblond macrumors 68020

    DavidLeblond

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    #7
    If you're comfortable with the Terminal, just go in there and type compress and then the file name.

    If I were at my Mac I'd whip you up a Automator thing to do it for ya. Maybe tonight...
     
  8. tuartboy thread starter macrumors 6502a

    tuartboy

    Joined:
    May 10, 2005
    #8
    oh, i'm fine with that. I tarball stuff on my linux boxen all the time. I was just wondering about the built in contextual menu archive command.
     
  9. ~Shard~ macrumors P6

    ~Shard~

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    #9
    Ah, gotcha, thanks for the clarification, I probably spoke too soon. Yah, certain file types of course won't compress any further, but as you say, you would think a 700 MB disk image would... interesting...
     
  10. MisterMe macrumors G4

    MisterMe

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    USA
    #10
    The reason that Stuffit Expander was not included with Tiger was that the Tiger-compatible version was not ready when Tiger went to manufacturing. When Expander was ready, Apple posted a link on its website to download the utility.
     
  11. ~Shard~ macrumors P6

    ~Shard~

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    #11
    Once again, thanks for the info! You learn somethnig new every day. :cool:
     
  12. tuartboy thread starter macrumors 6502a

    tuartboy

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    May 10, 2005
    #12
    huh, okay. makes sense.

    well does tiger have built in archive features? What am I using when I use the context menu achive? I do have stuffit installed.
     
  13. wordmunger macrumors 603

    wordmunger

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    #13
    Aren't .dmg files already compressed? Isn't that why they take a while to open?
     
  14. tuartboy thread starter macrumors 6502a

    tuartboy

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    #14
    come to think of it, that makes total sense.

    ok, i need to find something uncompressed to test this thing on...
     
  15. GodBless macrumors 65816

    GodBless

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    Jan 22, 2005
    #15
    I thought the reason for doing it was so they could become more independent from 3rd party software. Tiger doesn't have Explorer or StuffIt like Panther did. Tiger has Safari and a pretty good archiving and unarchiving system instead.
     
  16. GodBless macrumors 65816

    GodBless

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    Jan 22, 2005
    #16
    Yeah, I wouldn't be surprised if Apple uses the same type of compression for zipping files (that is if it actually does compress .zip files) as it does for compressing Disk Images.
     
  17. tuartboy thread starter macrumors 6502a

    tuartboy

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    May 10, 2005
    #17
    ok, i used the built-in system on a 700mb folder with html/flash files inside of it and the zip was 511mb. Looks like I was just zipping the wrong stuff. bleh.

    Ok, problem solved here then.

    GodBless, I originally thought that was what I read somewhere, but both make sense. Either way it looks like tiger has a real archive function built into the OS, so I guess I am fine.

    You still need stuffit for .sit files though.
     
  18. MisterMe macrumors G4

    MisterMe

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    #18
    Apple is in no way dependent on Stuffit Expander. All of Apple's downloadable MacOS X software is archived as .dmg or .zip files. However, many third-party Mac developers are dependent on Expander. So too are its users. Stuffit has been around for two decades, which means that two decades worth of Mac files have been Stuffed. By including Expander with every copy of MacOS X (before Tiger), Apple eliminated the need for self-extracting archive (.sea) files and the security problems that they cause.
     
  19. Makosuke macrumors 603

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    Aug 15, 2001
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    The Cool Part of CA, USA
    #19
    Apple's built-in zip compression unquestionably compresses files--I've just been zipping a bunch of stuff--but I wonder if it's set to optimize for speed over filesize; I ask because I've been seeing compression in the vicinity of 2 to 1 using the Finder, but when I compressed a folder full of a similar assortment of files using WinZip and the medium-high (whatever) setting, I got around 4 to 1. Could've just been luck, but has anybody done tests on how agressive the Finder is?
     
  20. tuartboy thread starter macrumors 6502a

    tuartboy

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    May 10, 2005
    #20
    I was wondering the same thing actually.
     
  21. HiRez macrumors 603

    HiRez

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    Jan 6, 2004
    Location:
    Western US
    #21
    I find that OS X's built-in .zip compresses almost as well as StuffIt, and it's much faster (decompressing is much, much faster). Considering .zip and .dmg, and .tar/.gz, StuffIt needs to die.
     

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