ListFirst |
Description
Gets the first element of a list.
Returns
The first element of a list. If the list is empty, returns an empty string.
Category
List functions
Function syntax
    ListFirst(list [, delimiters ])
See also
ListGetAt, ListLast, ListQualify
Parameters
Parameter | Description
list | A list or a variable that contains a list.
delimiters | A string or a variable that contains one. Character(s) that separate list elements.
| Default: comma.
| If this parameter contains more than one character, ColdFusion processes each
| occurrence of each character as a delimiter.
Usage
ColdFusion ignores empty list elements; thus, the list "a,b,c,,,d" has four elements.
Example
    <h3>ListFirst Example</h3>
    <!--- Find a list of users who wrote messages --->
    <cfquery name = "GetMessageUser" datasource = "cfsnippets">
       SELECT Username, Subject, Posted
       FROM  Messages
    </cfquery>

    <cfset temp = ValueList(GetMessageUser.Username)>
    <p>Before editing the list, it is:&nbsp;
    <cfoutput>#ValueList(GetMessageUser.Username)#</cfoutput>.
    <p>(Users who posted more than once are listed more than once.)
    <!--- Show the first user in the list --->
    <p>The first user in the list is:
    <cfoutput>#ListFirst(temp)#</cfoutput>
    <p>The rest of the list is:&nbsp;<cfoutput>#ListRest(temp)#</cfoutput>.
    <p>(Users who posted more than once are listed more than once.)
    <p>The last user in the list is: <cfoutput>#ListLast(temp)#</cfoutput>

list |
A list or a variable that contains a list.

delimiters |
A string or a variable that contains one. Character(s) that separate list elements. Default: comma.
If this parameter contains more than one character, ColdFusion processes each occurrence of each character as a delimiter.