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19 lines
740 B
Bash
19 lines
740 B
Bash
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#!/bin/bash
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# Copied from: https://unix.stackexchange.com/a/696756
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# Based on: https://gist.github.com/XVilka/8346728 and https://unix.stackexchange.com/a/404415/395213
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awk -v term_cols="${width:-$(tput cols || echo 80)}" -v term_lines="${height:-1}" 'BEGIN{
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s="/\\";
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total_cols=term_cols*term_lines;
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for (colnum = 0; colnum<total_cols; colnum++) {
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r = 255-(colnum*255/total_cols);
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g = (colnum*510/total_cols);
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b = (colnum*255/total_cols);
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if (g>255) g = 510-g;
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printf "\033[48;2;%d;%d;%dm", r,g,b;
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printf "\033[38;2;%d;%d;%dm", 255-r,255-g,255-b;
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printf "%s\033[0m", substr(s,colnum%2+1,1);
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if (colnum%term_cols==term_cols) printf "\n";
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}
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printf "\n";
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}'
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