Accept commands from the user, Computer Engineering

Assignment Help:

Your shell must accept commands from the user. The first step to implement this will be reading a line of input. This section will focus on what to do with the line of input after it is read. A command will consist of the name or path to the command, followed by zero or more arguments separated by white spaces. For this assignment, we will define white space as one or more space characters. Here is an example of a command with arguments:

l s  - a l

In this argument _ls_ will be the command and _-al_ is the first and only argument. To allow proper formatting the commands, we will put these commands into an array of char*. So, the first element of the array should be _ls_, and the second element should be _-al_. To parse the commands, we suggest using the strtok function from string.h. You can use just a space (" ") as the lone delimiter. Remember to consider the case where the user does not enter any command and hits the enter key. Your shell should simply print the prompt again on a new line.


Related Discussions:- Accept commands from the user

Two ways for restricting the value range for a domain, What are the two way...

What are the two ways for restricting the value range for a domain? By specifying fixed values. By stipulating a value table.

Explain parameter passing in procedures, Q. Explain Parameter Passing in Pr...

Q. Explain Parameter Passing in Procedures? Parameter passing is a very vital concept in assembly language. It makes assembly procedures more general. Parameter can be passed t

Prepare a decision tree, A part of an aircraft engine can be given a test b...

A part of an aircraft engine can be given a test before installation.  The test has a 75% chance of revealing a defect if it is present, and the same chance of passing a sound part

Illustrate an object model for university system, An object model for unive...

An object model for university system Establishing relationship among various classes in the system is the primary activity. Here, we have a simple model of a University System

Explain dataflow computation model, Explain dataflow computation model ...

Explain dataflow computation model An option to the von Neumann model of computation is a dataflow computation model. In a dataflow model the control is tied to the flow of dat

Explain about interrupt servicing routines, Q. Explain about Interrupt serv...

Q. Explain about Interrupt servicing routines? First the situation is to be checked as to why the interrupt has happened. That includes not only device but also why the device

SWOT ANALYSIS, OPPORTUNITIES AND THREATS IN COMPUTER FEILD

OPPORTUNITIES AND THREATS IN COMPUTER FEILD

Reading decision trees, Reading Decision Trees: However we can justifi...

Reading Decision Trees: However we can justified by see that a link between decision tree representations and logical representations that can be exploited to make it easier t

NETWORK ADMIN, Discuss the risks of having a single root user and how more ...

Discuss the risks of having a single root user and how more limited management abilities can be given to others users on Linux/UNIX systems.uestion #Minimum 100 words accepted#

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd