Pure Bash ASCII Character Chart

for i in {1..256};do p=" $i";echo -e "${p: -3} \
for i in {1..256};do p=" $i";echo -e "${p: -3} \\0$(($i/64*100+$i%64/8*10+$i%8))";done|cat -t|column -c120
$(($i/64*100+$i%64/8*10+$i%8))";done|cat -t|column -c120