ncursesw 0.6.4

A fat wrapper around the NCurses TUI library
Documentation 
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#!/usr/bin/awk --exec

# see https://gist.github.com/XVilka/8346728

BEGIN {
    s = "/\\/\\/\\/\\/\\"
    s = s s s s s s s s

    for (colnum = 0 ; colnum < 77 ; colnum++) {
        r = 255 - (colnum * 255 / 76)
        g = (colnum * 510 / 76)
        b = (colnum * 255 / 76)

        if (g > 255)
            g = 510 - g

        printf "\033[48;2;%d;%d;%dm", r, g, b
        printf "\033[38;2;%d;%d;%dm", 255 - r, 255 - g, 255 - b
        printf "%s\033[0m", substr(s, colnum + 1, 1)
    }

    printf "\n"
}