<izabera> ` echo \'for file do mapfile -t lines < "$file"; for (( i = ${#lines[@]} -1; i >= 0; i-- )) do printf "%s\\n" "${lines[i]}"; done done\' >> bin/tac

'ASCII digit to integer conversion (positive values only)
'Programmed by Jeffry Johnston, 2005
1[1?,1~10:2,0+*0,2=*0,0+*0,0+*0,0+*2,0+*1,0-48]1
2[0#]0