Count in array

Count in array ( array ; value ) : Integer

Parameter	Type		Description
array	Array	→	Array where count should occur
value	Expression	→	Value to count
Function result	Integer	←	Number of instances found

Description

The Count in array command returns the number of times value is found in array.

This command can be used with the following array types: Text, number, Date, Pointer, Object, and Boolean. The array and value parameters must be the same type or compatible.

Note: With Object arrays, you can only use object references in the value parameter.

If no element in array matches value, the command returns 0.

Example 1

The following example allows displaying the number of selected lines in a list box:

  //tBList is the name of a List box column array
 ALERT(String(Count in array(tBList;True))+" line(s) selected in the list box")

Example 2

You want to count object references in an object array:

 ARRAY OBJECT($objects;100)
 $o1:={a10;b"xyz"}
 $o2:={a10;b"xyz"}
 
 $objects{20}:=$o1
 $objects{21}:=$o1
 $objects{22}:=$o1
 
 var $n : Integer
 
 $n:=Count in array($objects;$o1) // n = 3 
 $n:=Count in array($objects;$o2) // n = 0

See also

Find in array
Find in sorted array

Properties

Command number	907
Thread safe	✓