This is a short resume about what I understood about the masterpiece GEB, from Douglas Hofstadter
"How do we get I's from None I's?"
| # From Adam Liss's comment | |
| # https://stackoverflow.com/a/9387914/14346786 | |
| # Read a file using a bash script | |
| i=0;while read l;do ((i=i+1));echo "$i:$l";done < file.txt | |
| # alphabet | |
| az=$(echo {a..z} | tr -d ' \n\t\v') | |