Introduction
Explore how Unix standard streams work in the command-line interface, including standard input, output, and error. Understand how to redirect these streams and use text processing tools to create efficient workflows and handle program data effectively.
We'll cover the following...
We'll cover the following...
Overview of standard streams
Long ago, if we wanted an output from a program, we had to write specific instructions into our code. If we wanted the program to take input from a keyboard, we had to write that code as well. This tightly coupled the program to the hardware on which it ran, making things pretty specialized and not ...