How do I slow down output?

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  1. #1
    Programming Ninja In-T...
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    Question How do I slow down output?

    How do I slow down output made through cout?
    When output strings are too long to fit inside the Terminal or Command Prompt window, I want to make the text scroll slow enough to read.

    Thanks in advance.
    I'm an alien from another world. Planet Earth is only my vacation home, and I'm not liking it.

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    Registered User whiteflags's Avatar
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    You can do it Zelda style just by outputting a character at a time, and using a timer to wait in between characters. This method requires that you put everything into strings first.

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    Quote Originally Posted by whiteflags View Post
    You can do it Zelda style just by outputting a character at a time, and using a timer to wait in between characters. This method requires that you put everything into strings first.
    Good idea.
    Where do I get the timer?
    I'm an alien from another world. Planet Earth is only my vacation home, and I'm not liking it.

  4. #4
    C++まいる!Cをこわせ!
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    The easiest way is to just Sleep between each output.
    Quote Originally Posted by Adak View Post
    io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
    Quote Originally Posted by Salem View Post
    You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.

    Outside of your DOS world, your header file is meaningless.

  5. #5
    The larch
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    I think it is also common to prompt the user to press Return to get the next "page" of output.
    I might be wrong.

    Thank you, anon. You sure know how to recognize different types of trees from quite a long way away.
    Quoted more than 1000 times (I hope).

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    Quote Originally Posted by anon View Post
    I think it is also common to prompt the user to press Return to get the next "page" of output.
    Hmm...yeah, that might be a better solution.
    However, do you have any idea how many lines can be displayed in a normal-sized Linux Terminal or Windows Command Prompt, and are the number of lines the same (I guess probably not, eh?)?
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    Quote Originally Posted by Elysia View Post
    The easiest way is to just Sleep between each output.
    Isn't Sleep (or "sleep()") a Windows-specific function? I was wanting my program that will use this to be cross-platform, and therefore I would like the method of slowing down output (if I decide to even use this approach) to be cross-platform as well.
    I'm an alien from another world. Planet Earth is only my vacation home, and I'm not liking it.

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    Registered User whiteflags's Avatar
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    There is a standard way to do what I was saying, posted here. But it sounds like the other thing is better, anyway. For a good console size, I don't think you can go wrong with 80 characters x 25 lines so just work around that.

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    Quote Originally Posted by whiteflags View Post
    There is a standard way to do what I was saying, posted here. But it sounds like the other thing is better, anyway. For a good console size, I don't think you can go wrong with 80 characters x 25 lines so just work around that.
    Thanks.
    I'm an alien from another world. Planet Earth is only my vacation home, and I'm not liking it.

  10. #10
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    Quote Originally Posted by Programmer_P View Post
    Hmm...yeah, that might be a better solution.
    However, do you have any idea how many lines can be displayed in a normal-sized Linux Terminal or Windows Command Prompt, and are the number of lines the same (I guess probably not, eh?)?
    Not standard. It is configurable. The only way to know is to use Windows API, which you want to avoid in the first place.

    Quote Originally Posted by Programmer_P View Post
    Isn't Sleep (or "sleep()") a Windows-specific function? I was wanting my program that will use this to be cross-platform, and therefore I would like the method of slowing down output (if I decide to even use this approach) to be cross-platform as well.
    It is. But there is no portable way of doing without wasting lots of cpu resources. You could just limit yourself to Windows and Linux.

    Quote Originally Posted by whiteflags View Post
    There is a standard way to do what I was saying, posted here. But it sounds like the other thing is better, anyway. For a good console size, I don't think you can go wrong with 80 characters x 25 lines so just work around that.
    Why? WHY??? This is the very exact thing we suggest people avoid!
    Delay loops are frowned upon, so why would you suggest it? I don't understand.
    Quote Originally Posted by Adak View Post
    io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
    Quote Originally Posted by Salem View Post
    You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.

    Outside of your DOS world, your header file is meaningless.

  11. #11
    Registered User whiteflags's Avatar
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    He asked for a standard way. I couldn't do anything about how much standard code sucks in that situation. Make me a martyr for it.

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    What I'd really like to know is - why the hell don't we have a good standard way of doing this?

  13. #13
    C++まいる!Cをこわせ!
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    Probably not useful enough. The committee have limited resources and has to prioritize. That's my guess, anyway.
    Quote Originally Posted by Adak View Post
    io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
    Quote Originally Posted by Salem View Post
    You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.

    Outside of your DOS world, your header file is meaningless.

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