You are using the scripting statement case in a script and keep getting a message such as the following: script 1: line 10: syntax error: unexpected end of file what is the likely cause of the error? a) You didn't have a default condition set. b) You forgot to close the case with esac. c) You were using the old [ ] bash style insted of [[ ]]. d) You were comparing an integer when you should have been comparing a string.

4. Fast in java coding please. Thank you File Encryption is the science of writing contents of a file in a secret code. Yourencryption program should work like a filter, reading the content of one file,modifying the data into a code, and then writing the coded contents out to a secondfile. The second file will be a version of the first file, but written in secretcode. Write a program to demonstrate the above working with binary files.

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This Phyton: In this lab, you will write a program that reads integers from a file “data.txt” into a list, print the list and the sum of the numbers in the list.  The file contains one integer per line.  You are not required to do any exception handling.  Your program should not prompt the user for any input.  The input file is “data.txt”. First, create a file “data.txt” and put the numbers add the numbers 3, 1, 5, 2 into it, one number per line as shown in the sample “data.txt” file below. Sample “data.txt” file 3 1 5 2   Then, write the following functions: read_numbers(filename) Read numbers from the given file and return a list of contains the numbers from the file. compute_sum(numbers) Compute the sum of the given the list numbers.  Do not use the built-in sum function. main() Read numbers from the file “data.txt”, print the list, and compute the sum and print it.  Main will use the two functions above to get the job done.   Sample run: [3, 1, 5,…