自定义函数: util.MaxLengthInList ( value_list )

2020年7月1日 • Value List • 值列表

函数功能描述

来源: https://www.briandunning.com/cf/2397

作者: Pip Meadway

作者原述: Returns the longest length of the item in the value list.

猫壹佰描述:

获取值列表中长度最长的值的长度

测试文档下载:

调用范例

$max_length = util.MaxLengthInList ( List ( "Aaaaaa" ; "bbbbbbbbbbbb" ; "cc" ; "2344" ))

返回结果

12 // The length of "bbbbbbbbbbbb"

函数内容

/* ==========================================================
 
PUBLIC (Number) <- util.MaxLength ( value_list  )
 
PURPOSE:
	Determine the longest string in the value list

RETURNS:
	The length of the longest string

PARAMETERS:
	NAME		TYPE		DESCRIPTION
	value_list	List*		The value list of strings

* Can also be a single string, a number or a null value

SIDE EFFECTS:
	None

EXAMPLES:
	$max_length = util.MaxLengthInList ( List ( "Aaaaaa" ; "bbbbbbbbbbbb" ; "cc" ; "2344" ) )

			$max_length is set to 12 (the length of "bbbbbbbbbbbb")

	$max_length = util.MaxLengthInList ( Null )

			$max_length is set to 0 (the list is empty)

	$max_length = util.MaxLengthInList ( 23 )

			$max_length is set to 2 (The number 23 is implicited cast to a string)


DEPENDENCIES: 
	Filemaker 18 or above


HISTORY:
	CREATED on 2020-06-30 by Pip Meadway

=========================================================== */


While ( 
	[ 
		~idx			= 1 ;
		~item_count	= ValueCount ( value_list ) ;
		~max_length	= 0
	] ;

	( ~idx <= ~item_count ) ; 

	[ 
		~max_length = Max ( ~max_length ; Length ( GetValue ( value_list ; ~idx ) ) ) ;

		~idx = ~idx + 1
	] ; 

	~max_length
)

当前页面使用FileMaker生成发布, 更新于2021年3月15日0时45分7秒

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