UXPRG13

DATES:

1. REXX Syntax
   • Code assignment states and string concatenation expressions.
   • Read and resolve syntax error messages.
2. Variables
   • Code a program to store data in a compound variable.
   • Retrieve information from a compound variable.
   • Invoke a program from the command-line or another script.
3. Expressions
   • Code and use comparison operators and precedence rules in an IF statement.
   • Use the three forms of concatenation.
4. Programming Techniques
   • Create a simple data entry program and use a conditional expression for displaying a result.
   • Populate compound variable and randomly retrieve results.
   • Use the LEAVE and ITERATE statement.
   • Capture exception conditions and display messages for each condition.
5. Functions and Subroutines
   • Pass data to a subprogram using the EXPOSE keyword.
   • Pass data to a function using the ARG function.
   • Pass data to a subprogram using the PARSE statement.
6. Classes in REXX
   • Create classes, methods, and using directives.
   • Use the built-in collection classes to work with a compound variable.
   • Code a basic I/O routine using the InputStream and OutputStream classes.
   • Use the utility class DataTime for calculating the differences between two dates.
7. Built-in Functions
   • Check a file name to ensure that it does not exceed a maximum length.
   • Confirm that a number is a whole positive integer value.
   • Use character manipulation to format a string.
   • Code an entry program to support abbreviations in the data input.
8. Conversing with the Screen
   • Enter user data and parse the information into a compound variable.
9. Advanced Topics
   • Convert a CSV file into a fixed position file.
   • Parse a paragraph and sort the values.
10. Debugging Information
    • Given a program by the instructor, use the interactive debugger to test and confirm that the program executes properly.
11. UNIX Extension Functions
    • Code a REXX program which forks a UNIX process.
    • Display the files in a sub-directory.
    • Use the Stream Class to read/write CSV files to Collection.
12. ooDialog - optional
    • Create a GUI: graphical user interface based data entry system with a file backend that stores the valid data.

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