Counting Up and Down... time/percent

This is a discussion on Counting Up and Down... time/percent within the C++ Programming forums, part of the General Programming Boards category; I would like to be able to print out a number... count up or down but the problem is I ...

  1. #1
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    Question Counting Up and Down... time/percent

    I would like to be able to print out a number... count up or down but the problem is I don't want to reprint the line every time the number goes up or down one unit. I have heard of clearing the screen every time you reprint the line but I would rather not do that... For example using fdisk or format and it just counts up the percent.

    I don't need to know how to count just how to reprint the variable without reprinting the whole line.

    Thank You

  2. #2
    Just because ygfperson's Avatar
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    look at the \b and the \r special characters
    Code:
    printf("test\b\b");
    this prints "test" then deletes the ending t and s
    \r simply moves the cursor to the beginning of the line.

    if you're not interested in this fairly portable solution, you could look at gotoxy()

  3. #3
    Guest Sebastiani's Avatar
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    int x, y;

    x = wherex(), y = wherey(); //...save coords..

    gotoxy(2, 10); //...go to counter

    printf("%i", count);

    gotoxy(x, y); //...restore old coords...


    ...very non-portable, though. Windows machines...
    Code:
    if( numeric_limits< byte >::digits != bits_per_byte )
        error( "program requires bits_per_byte-bit bytes" );
    24bbs.cpp

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