nleet

nleet reads from standard input or a file and appends to it the lines leetified (hello -> h3ll0). It prints to standard output.

For example, with the following command

$ cat words.txt | nleet

where words.txt contains this:

dog
cat
fish

will output this:

dog
cat
fish
d0g
c@t
f1sh

Further, the user can specify what he wants to replace with what. For example:

echo "chicken\negg" | nleet e:3
chicken
egg
chick3n
3gg

νάρθηξ - narthex