| Printline or Records Mode |
| Print
Line Mode |
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| Records
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Pre-defined Variables |
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| Establishing Comparison Rules |
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Data files may contain different detail lines and
sub-forms. The method used to distinguish between different lines (to
select and print the correct format) is to use comparison rules to
allow FormTrap to identify what it is looking at.
Each rule is a simple test. The following rules
are available:
| Rule |
Description |
| No Rule |
Default setting |
| Blank |
Field must be blank |
| Not Blank |
Field must contain data |
| Equal to |
Field must equal the supplied
characters |
| Not equal to |
Field must not equal the supplied
characters |
| Greater than |
Field must be greater than the
supplied characters |
| Greater than or equal to |
Field must be greater than or equal to
the supplied characters. |
| Less than |
Field must be less than the supplied
characters. |
| Less than or equal to |
Field must be less than or equal to
the supplied characters. |
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| Setting Detail Line Rules |
When a form has more than one detail line a comparison rule is used to
establish which detail line is printed. Each rule is a simple test that
must be satisfied for the detail line to print. Where a detail line has
multiple rules, all of the rules must be satisfied to qualify. "Detail
line" may be multiple lines from the file in some instances, where the
set is represented in the same format.
To create a test variable on a detail line:
- Ensure that the appropriate detail line
is selected on the Go menu.
- Select Properties of...
on the Define menu.
- On the Records tab,
click the New... button to add a new variable.
- Enter an appropriate name into the Name
text box.
- Click the OK button
to create the variable and then OK again to accept the changes.
- In the Structure Map Pane select the
appropriate detail line.
- Find something that is unique to the
detail line. In this example we will use the word "Tax".
- Click the Create extract button
 on the toolbar. The cursor will change to an
I-bar  .
- Press and hold the left mouse button to
highlight the characters representing the test data in your sample data
file, displayed in the Printmap window. Allow for the full size of the
field, not just what is visible on this page.
- Release the mouse button to open the Create
Extraction Field dialog box.
- Select the corresponding test variable
name from the Available Fields list.
- Select a comparison rule from the Comparison
rule drop down menu. In this example we use the Equal
to comparison rule and enter the comparison string "Tax" in
the Compare with text box. The rule is case
sensitive.
- The mapped Characters will be highlighted
yellow to indicate a test variable.
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| Defining Rule Evaluation Order |
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Evaluation order is the sequence in which
FormTrap tests the comparison rules on the detail lines. Set the
evaluation order of detail lines so there is no ambiguity in the
evaluation, with the most specific rules evaluated first.
To change the order of evaluation for the
detail lines:
- Right click on the detail line in the Structure
Map Pane.
- From the drop down menu select Evaluation
order.
- Move the detail line up or down using the
options on the menu.
- Highest - top of the
evaluation order.
- Higher - up one in
the evaluation order.
- Lower - down one in
the evaluation order.
- Lowest - bottom of
the evaluation order.
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