40 lines
995 B
Text
40 lines
995 B
Text
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#!/usr/bin/env bash
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echo ""
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COLUMNS=$(tput cols)
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line() {
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i=1
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while [[ $i -le $COLUMNS ]]; do
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num=
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echo -en "\u258$(($RANDOM % 8 + 1))"
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i=$(($i + 1))
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done
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}
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# print the text with gradient
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# awk -v columns=$COLUMNS -v s=$(line) \
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# 'BEGIN{
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# for (colnum = 0; colnum<columns+1; colnum++) {
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# r = 255-(colnum*255/columns);
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# g = (colnum*510/columns);
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# b = (colnum*255/columns);
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# if (g>255) g = 510-g;
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# printf "\033[48;2;%d;%d;%dm", r,g,b;
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# printf "\033[38;2;%d;%d;%dm", 255-r,255-g,255-b;
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# printf "%s\033[0m", substr(s,colnum+1,1);
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# }
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# printf "\n";
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# }'
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awk -v columns=$COLUMNS -v s=$(line) \
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'BEGIN{
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for (colnum = 0; colnum<columns+1; colnum++) {
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r = 255-(colnum*255/columns);
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g = (colnum*510/columns);
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b = (colnum*255/columns);
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if (g>255) g = 510-g;
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printf "\033[38;2;%d;%d;%dm", r,g,b;
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printf "%s\033[0m", substr(s,colnum+1,1);
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}
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printf "\n";
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}'
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