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Conditional Tags

The conditional tag compares a variable against a criterion according to the operator, and decides to execute either an IF or an ELSE clause.

Usage

Use conditional tags to develop simple if-then logic to control the output of your print data. It is recommended that if-then-else tags are kept simple to ensure that print output is successful.

Syntax

<TAG:IF variable="VARIABLE NAME" operator="OPERATOR" criteria="CRITERIA" numeric= "NUMERIC">

     <TAG:...>

     <TAG:...>

<TAG:ELSE>

     <TAG:...>

     <TAG:...>

NOTE:  If the comparison is true, the tags immediately following the <TAG:IF...> tag are executed; if the comparison is false, the tags immediately following the <TAG:ELSE...> tag are executed.

Parameter
Description

TAG:IF

(Required) Applet tag indicator.

TAG:ELSE

(Required) Applet tag indicator

variable

(Required) Name of the variable being compared.

criteria

String value to which the variable will be compared.

operator

(Required) This can be one of the following:

  • EQ signifies Equal to
  • GT signifies Greater than
  • GE signifies Greater than or equal to
  • LT signifies Less than
  • LE signifies Less than or equal to

numeric

Specifies whether the condition is evaluated as a numeric comparison or a string comparison. Valid values are TRUE (numeric comparison) or FALSE (string comparison).

For a string comparison, use the vertical bar (|) as an OR operator.
Example

The following example evaluates whether the variable numrows is equal to 15, 17, or 19:

  • If true, then a string similar to the following is printed: Printed [numrows] rows that are odd
  • If false, then a string similar to the following is printed: Printed [numrows] rows that are even

<TAG:IF variable="numrows" operator="EQ" criteria="15|17|19">

     <TAG:Concat variable="numrows" append=" rows." prepend="Printed ">

     <TAG:Concat variable="numrows" append=" that are odd.">

<TAG:ELSE>

     <TAG:Concat variable="numrows" append=" rows." prepend="Printed ">

     <TAG:Concat variable="numrows" append=" that are even.">

<TAG:ENDIF>

  
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