dotfiles/home/bin/dnks at master · meribold/dotfiles · GitHub

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#!/usr/bin/env bash

set -o nounset -o pipefail

cols=$(tput cols)
num_thingies=$(((cols + 1) / 6))
extra_space=$((cols - (num_thingies * 6 - 1)))
extra_space_left=$((extra_space / 2))

if ((num_thingies == 0)); then
   exit
fi

printf '\n\n\n%*s  *  ' $((extra_space_left)) ''
for ((i = 1; i < num_thingies; ++i)); do
   printf '   *  '
done
printf '\n%*s * * ' $((extra_space_left)) ''
for ((i = 1; i < num_thingies; ++i)); do
   printf '  * * '
done
printf '\n%*s*   *' $((extra_space_left)) ''
for ((i = 1; i < num_thingies; ++i)); do
   printf ' *   *'
done
printf '\n%*s * * ' $((extra_space_left)) ''
for ((i = 1; i < num_thingies; ++i)); do
   printf '  * * '
done
printf '\n%*s  *  ' $((extra_space_left)) ''
for ((i = 1; i < num_thingies; ++i)); do
   printf '   *  '
done
printf '\n\n\n\n'