({{, (RefLink[FileNameForms, paclet:ref/FileNameForms]) 
is an option that specifies the pattern for file names to be selected by a function.}})

OpenersNotesSection(Spacer1)Details

(RefLink[FileNameForms, paclet:ref/FileNameForms])->(RefLink[All, paclet:ref/All]) specifies that all file names will be selected.

(RefLink[FileNameForms, paclet:ref/FileNameForms]) allows forms of the same type as in (RefLink[FileNames, paclet:ref/FileNames]).

OpenersPrimaryExamplesSection(Spacer1)Examples  (1)

OpenersExampleSection0(Spacer1)Basic Examples  (1)

Specify which files have (RefLink[FileSize, paclet:ref/FileSize]) applied to them in (RefLink[FileSystemMap, paclet:ref/FileSystemMap]):

FileSystemMap[FileSize,FileNameJoin[{$InstallationDirectory,"/Documentation/English/System/ExampleData"}],FileNameForms->"*.pdb"]

({{DocumentationFooterIconsRelatedFunction.png, ({{See Also}, {(RefLink[FileSystemMap, paclet:ref/FileSystemMap])  ▪  (RefLink[FileSystemScan, paclet:ref/FileSystemScan])  ▪  (RefLink[MaxItems, paclet:ref/MaxItems])  ▪  (RefLink[FileNames, paclet:ref/FileNames])}})}})