Search for	Example	Results
A single word	`cat`	Topics that contain the word "cat". You will also find its grammatical variations, such as "cats".
A phrase. You can specify that the search results contain a specific phrase.	`"cat food"` (quotation marks)	Topics that contain the literal phrase "cat food" and all its grammatical variations. Without the quotation marks, the query is equivalent to specifying an OR operator, which finds topics with one of the individual words instead of the phrase.

Search for	Operator	Example
Two or more words in the same topic	`AND` `and` `+` (plus symbol) `&` (ampersand)	`cat AND dog` `"cat food"+milk` `"cat food"&"dog food"`
Either word in a topic	`OR` `or` `\|` (pipe)	`cat OR dog` `cat \| dog`
Topics that do not contain a specific word or phrase	`NOT` `not` `!` (exclamation point)	`NOT cat` `! dog`
Topics that contain one string and do not contain another	`^` (caret)	`cat ^ mouse`
A combination of search types	`( )` parentheses	`cat + (dog \| mouse)` `cat \| dog + (! mouse)`

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Develop > Programming Guide > System Language reference > List: RAD functions > RAD function: dbdict.helper(“joinfile.names”)

RAD function: dbdict.helper(“joinfile.names”)

A RAD utility function that helps retrieve an array of names of the sub files that belong to a join file.

Function

dbdict.helper(“joinfile.names”)

Format

dbdict.helper(“joinfile.names”,$joinfilename)

Parameters

The following parameter is valid for this function.

Parameter	Description
$joinfilename	The name of the join file whose sub file names array is to be retrieved.

Factors

The join file must be already defined in joindefs.

Return values

Null or an array of strings containing the sub file names.