The demo Python script is a simple calculator that works from the command line, and [BioBootloader] introduces a few bugs to it. He misspells a variable used as a return value, and deletes the ...

For instance, if 20,000 lines through a certain file, the script breaks, instead of re-running the script from the start, tail can be used to read only from the line on which the script failed. There ...

Most hacker types don’t mind a command line interface, but very few ordinary users appreciate them. However, if you write command line programs in Python, Gooey can help.