QTAwk User Guide

Linux Version 2.00

Copyright © 1988 - 2006 Terry D. Boldt All Rights Reserved

fastsnip-wm1@yahoo.com

Chapters

Table of Contents

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Chapters

1. Introduction	2. Copyright	3. Regular Expressions	4. Variables
5. Built-In Variables	6. Expressions	7. Arrays	8. Strings/Regular Expressions
9. Pattern-Action Pairs	10. Group Patterns	11. Statements	12. Built In Functions
13. User Defined Functions	14. Format Specification	15. Trace Statements	16. Invocation
17. Limits	18. History	19. Differences From AWK	20. Built In Variable List
21. Built In Function List	22. Error Returns	23. Common Problems	24. Financial Transaction Utility
25. Document Formatting Utility	26. Utility Functions	27. Modules

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Table of Contents

1. Introduction

2. Copyright

Copyright

DISCLAIMER

License

3. Regular Expressions

OR Operator, |

Character Lists, [...]

Character Classes, [:alpha:]

Closure, *,+

Repetition Operator, {n1,n2}

Negated Character List, [!...]/[^...]

Escape Sequences, \c

Position Operators, ^/$

Examples

Look Ahead Operator, @

Match Lists, [#...]

Named Expressions, {name}

Predefined Names, {_a}

Tagged Strings, (...)

Regular Expression Operator Summary

4. Variables

Variable Value Data Types

Regular Expression Value

Numeric String Types

Single Character Type

5. Built-In Variables

6. Expressions

Numeric Forms and Arithmetic Operations

Numerics and Strings

Operators

Arithmetic Operators

Assignment Operators: = op=

Unary Ones Complement: ~

Pre/Postfix Increment/Decrement: ++/--

Unary Plus/Minus: +/-

Exponentiation: ^

Multiplicative and Additive Operators: * / % + -

Bitwise Operators: & @ |

Grouping Operators: ( )

Subscripting: [ ]

Shift Operators: << >>

String Concatenation Operator: ><

Field Operator: $

Tag Operator: [< >]

Logical Operators: && ||

Comparison Operators: < <= >= > == !=

Regular Expression Match Operators: ~~ !~

Match Operator Variables

MLENGTH

MSTART

Conditional Operator: ? :

Logical Negation: !

Array Membership: in

Sequence Operator: ,

White Space

Constants

Numeric Constants

Character Constants

String Constants

Regular Expression Constants

7. Arrays

Multidimensional Arrays

Integer and String Indices

QTAwk Arrays in Arithmetic Expressions

Arrays as Regular Expressions & Dynamic Regular Expressions

8. Strings and Regular Expressions

Regular Expression and String Translation

Regular Expressions in Patterns

9. Pattern-Action Pairs

QTAwk Patterns

QTAwk Predefined Patterns

Altering The Basic Processing Loop

File Searching

Field Splitting

10. Group Patterns

GROUP Pattern Advantage

GROUP Pattern Disadvantage

GROUP Pattern Regular Expressions

11. Statements

QTAwk Keywords

Statements

cycle and next

delete and deletea

if/else

switch, case, default

Loops

for

while

do/while

local

endfile

break

continue

exit

return

12. Built In Functions

Arithmetic Functions

String Functions

File Functions

Redirection & Pipeline

Standard Files

Date and Time Functions

Miscellaneous Functions

13. User Defined Functions

Local Variables

Argument Checking

Variable Length Argument Lists

Null Argument List

Arrays and Used-Defined Functions

14. Format Specification

Output Types

Output Flags

Output Width

Output Precision

15. Trace Statements

Selective Statement Tracing

Trace Output

16. Invocation

Multiple QTAwk Utilities

#include Directive

Command Line Options

File Search Sequence

Setting the Field Separator

Command Line Variables

QTAwk Execution Sequence

17. Limits

18. History

19. Differences From AWK

20. Built In Variable List

21. Built In Function List

22. Error Returns

Warning Errors, 0-999

File Errors, 2000-2999

Pattern Errors, 3000-3999

Run-Time Errors, 4000-4999

Interpretation Errors, 5000-5999

Memory Errors, 6000-6999

Regular Expression Errors, 7000-7999

23. Common Problems

Exponents

Print Function

24. Financial Transaction Utility

Financial Calculator

Time Value of Money

Simple Interest

Compound Interest

Periodic Payments

Financial Transactions

Standard Financial Conventions

Cash Flow Diagrams

Appreciation

Annuity

Amortization

Annuity

Interest

Compounding Frequency

Payment Frequency

NAR to EIR for Discrete Interest Periods

NAR to EIR for Continuous Interest

Normal CF/PF Values

EIR to NAR for Discrete Interest Periods

EIR to NAR for Continuous Compounding

Financial Equation

Financial Equation Derivation

Amortization Schedules

Effective and Initial Payment Dates

Effective Present Value

Iterative Amortization Schedule

Annual Summary

Final Payment Calculation

Amortization Cases

Constant Repayment to Principal, Original Data

Constant Repayment to Principal, Delayed Repayment

Original Data Schedule

Recomputed Final Payment

Recomputed Periodic Payment

Recomputed Term

Amortization Schedule Display

Financial Calculator Usage

Calculator Commands

Calculator Input

Calculator Functions

User Defined Variables

Rounding

Examples

Simple Interest

Compound Interest

Periodic Payment

Conventional Mortgage

Final Payment

Annual Summary

Periodic Payment Schedule

Variable Advanced Payments

Constant Advanced Payments

Balloon Payment

Canadian Mortgage

European Mortgage

Bi-weekly Savings

Present Value - Annuity Due

Effective Rate - 365/360 Basis

Mortgage with "Points"

Equivalent Payments

Perpetuity - Continuous Compounding

Investment Return

Retirement Investment

Property Values

College Expenses

References

25. Document Formatting Utility

Dot Commands

Formatter Variables

Formatter Variable Default Values

Formatter Functions

26. Utility Functions

User Guide