30 lines
614 B
Bash
Executable file
30 lines
614 B
Bash
Executable file
#!/usr/bin/env bash
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# ensure COLUMNS is set
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# stty size > /dev/null
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COLUMNS=$(tput cols)
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# delay for wezterm to learn it's size
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sleep 0.2
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line() {
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i=1
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while [[ $i -le $COLUMNS ]]; do
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echo -en "\u258$((RANDOM % 8 + 1))"
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i=$((i + 1))
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done
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}
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echo
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awk -v columns="$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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