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Please create two scripts for UNIX/Linux
1. Create a script that asks the user for a file and then appends the date to the file the user has entered. Let the user know if the file can or cannot be written too. Also, if the file does not exist create the file and write the date in the newly created file. Lastly display to the user the file, including a statement letting them know that the file has changed. (Hint remember the -f and -w when evaluating a file in an if statement)
2. Create a script that takes two numbers as input from the user, and then asks the user if they would like to add or subtract the two numbers (use a case statement). Then print out the result in a friendly message. Be sure to let the user know if they choose an option that was not on the menu. You will need to use expr (expression) command when evaluating, as in number='expr $num1 + $num2' along with the backquotes to store the results in the number variable (also note the s p a c e s).
Now modify your case statement so the user can use either an upper or lower case letter in the menu. That is if the user types a or A both will allow the case statement to run the add selection. (Hint use | as the or operator)
Convert the following two's complement representations to decimal numbers (assume 5 bit numbers). a. 11101 b. 01111 c. 10011
In the current age of "hyper-connectivity", cloud computing is becoming more widely used and new platforms are emerging on a regular basis. You are required to conduct a review and comparison of public, private and hybrid cloud computing models.
How would you use social networking to make your organization more effective? If your organization currently uses a social networking tool, tell us which one and how you are using it. Even if your organization does not engage in social networking, is..
You are an engineer involved in the development of a financial system. During installations, you discover that this system will make a significant number of people redundant. It is your professional responsibility to complete the installation as..
Write a function whose job is to input #'s, non-# to quit, recover from the input failure by calling recover(), and tell main some statistics about the numbers read. . unsigned readA();
Take a look at the following program -- #include using namespace std; int main( ) { char name[100]; //declare a character array cout > name; cout
Do 2-input AND gates which have one input inverted form a complete set of logic gates? Rationalize your answer.
the program should count how many times each word appears and display the most frequently occurring word, along with how many times it occurs.
Create a Visual Basic program that creates a bill for an automobile repair shop. The shop bills customers at the rate of $35 per hour for labor. Parts and supplies are subject to a 5% sales tax.
Who is or should be responsible for monitoring the performance of IT acquisition projects and taking action that may result in cancelling the project?
Describe the tasks and business functions that users, managers, and IT staff members perform to achieve specific results
Develop a first-cut sequence diagram, which only includes the actor and problem domain classes. Add the view layer classes and the data access classes to your diagram from part a. Develop a design class diagram based on the domain class diagram and..
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