INPRG07

DATES:

1. Perl Featureset
   • Create a Perl program which displays "Hello world" and then exits.
2. Numeric and String Literals
   • Put the expression 4000/7 into a variable, and display it on screen.
   • Modify the program to display the number to 3 decimal places.
   • Modify the program to round up if the last decimal place is greater than 5.
   • Modify the program to display the number with leading zeros.
   • Adapt the program to show a + sign if the number is positive, and check that it correctly displays a - sign if 1000 is subtracted from the number.
3. Operators
   • Write a script to answer this equation: x = ( (a + b)2 )/ c for the following values: a=2 b=3 c=4 .
4. Perl Statements
   • Write a Perl script to print any lines containing both of the words provided.
5. Functions
   • Write a Perl function to turn text into Morse code.
   • Write a subroutine to sort a list of strings in increasing order based upon length.
6. References
   • Create a reference which points to a scalar, an array, a hash, and a function.
7. Input and Output in Perl
   • Write a Perl script to find and print the longest word in a text file.
   • Write a Perl script that computes the average word length in characters and the average sentence length in words of a text file.
   • Write a Perl script that reads the data in a file, and then, for each record that has a specific department number in a column, produce a list with all the employees in that department.
   • Write a Perl script that takes a directory name as its argument, creates a new sub-directory named executables within it, scans the directory and all its sub-directories looking for executables, and then moves them into the new sub-directory.
8. Regular Expressions
   • Code regular expressions to be used in searching a file of titles that correspond to the informal queries.
9. Handling Errors and Signals
   • Implement a simple system to be used by a dentist to generate reminders when patients are due for a check-up.
   • Check for a variety of errors and interrupts.
10. Objects in Perl
    • Write a class named Employee with these data fields: name and age.
11. Implement getters and setters for each field
    • Implement a DisplayAge method that displays the name and age.
    • Write a program to test class Employee.
12. Debugging Perl
    • Use the Perl debugger to debug several small scripts.

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