I rename a lot of files.

I respect the Unix way — mv file1 file2 — but in practice, file1 and file2 are usually the same name failing by one to three characters. Re-typing 97% of a filename feels ceremonial rather than intentional, especially when what I want is something like:

mv …

How did i not know that you can make a c-style for loop in bash

$ for (( i=0; i<5; i++ ))
  do
      echo $i
  done

Should you program like NASA?

Programming is a discipline that requires both speed and integrity. The best developers balance rapid iteration with careful checking, ensuring that their code is robust, maintainable, and adaptable over time. That’s where structured coding principles—like those found in the Power of Ten—may …