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BEGIN {
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nrcolors = 8
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for (height=0; height<20; height++) {
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for (width=0; width<nrcolors; width++) {
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# print (ANSI) basic color and amount of spaces
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printf("\033[%dm%*s", width + 40, 64 / nrcolors, " ")
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}
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# reset color and print newline
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printf("\033[0m\n")
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}
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}
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