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Kihbernetic #System with 
fundamental #Processes: a recursive #Autopoietic self-production for growth and learning, and a linear #Allopoietic production of “other things”, such as behavior and waste, distributed in
Control #Levels, of #Regulation, immersed in, and dealing with things in the system’s environment, #Control for managing the workload of different regulators, and #Guidance to provide long-term goals and preserve the identity of the system, all using
#Variables: sensory #Input of data and other resources, motor #Output of behavior, #Information as the difference that will make a difference in the subsequent (updated) #Knowledge state, all interconnecting
#Functions: the #Control-ed #Reaction to external stimuli, the #Perception of sensory states, the #Prediction of the expected outcome of past behavior, and the repeated #Integration of new information into an updated knowledge state.
The first rule of functions is that they should be small. The second rule of functions is that they should be smaller than that.
— Robert C. Martin
In Bash shell scripting, functions are ways to group the set of instructions together to get a specific outcome. You can think of functions as a mini script. Functions are also called procedures and methods in some programming languages. Functions are a great way to achieve modularity and reusability. And especially so if you define your functions in one script file, and import those into other script files. This is similar to import statements in python, include statements in C, etc.
See Bash Scripting - Functions Explained With Examples - OSTechNix
#technology #linux #bash #functions #scripting
See Bash Scripting - Functions Explained With Examples - OSTechNix
#technology #linux #bash #functions #scripting
This guide explains what are Bash functions and how to define and call a function in Bash scripts with examples.
ostechnix.comBash Scripting - Functions Explained With Examples - OSTechNixThis guide explains what are Bash functions and how to define and call a function in Bash scripts with examples.