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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)
Design, simulate and verify a 16-bit ripple-carry adder by performing the following additions/subtractions (the values of a and b are given in decimal): (i) (-10) + (100), (ii) (63) - (-127), (iii) (15) + (95), (iv) (-32) + (79), (v) (-59) + (-16)..
The hexadecimal form of a 3-byte instruction for SIC/XE is 010030. The opcode in the instruction is LDA. Indicate the contents of the register A in decimal.
Write a C++ program to calculate the closet points from a list. Output will be the name of 2 points Your input format will be : name x-value y-value The following is the input to test your program. A 10 50 B 30 70 C 20 40 D 40 10 E 30 20 F 20 50..
Analyze the use of gestures in iPads. Address how users feel about gestures and evaluate how users feel about the user input when it comes to filling out complicated forms on the iPad and assess the usability of back buttons and thumbnails on the iPa..
write a program that reads a file containing two columns of floating-point numbers. prompt the user for the file name. print the average of each column in c++.
Write a program that computes the quotient and remainder using IJVM instructions and mic1 software. Please provide IJVM instructions!
Smartphones and Teenagers • Facebook and Privacy Issues • Challenges of Sport Organisations in Australia
1. Does PMS allot preservation treatment to candidate project? 2. If answer to question 1 is Yes or Under Development, which groups of treatments does PMS cover?
What are the DOD-specific requirements for an organization's IT infrastructure and U.S. compliance laws that may affect the firm?
An evaluation of what you think is the most frequent cause of IT implementation failures. Justify your answer. Explain how change in management can help solve software implementation failures.
Write the definition of a method , isReverse , whose two parameters are arrays of integers of equal size. The method returns true if and only if one array is the reverse of the other. ("Reverse" here means same elements but in reverse order.)
The procedure must insert the next of kin information into the Next of kin table by looking up the student id from the Student table. (will you need a schema? how do I send it to you?) can you use just the tables for the student and next of kin?
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