잘 알고 계시겠지만, file name utilities 카테고리에 화일 이름 관련 함수들이 있습니다.

그런데, 원하시는 기능은 없어 보입니다. 코딩을 해서 구현하셔여 할 것 같군요.

ChangeFileExt
: Changes the extension of a file name.

DosPathToUnixPath
: Converts a DOS-compatible path specification to a Unix-compatible path specification.

ExcludeTrailingBackslash
: Returns a path name without a trailing delimiter.

ExcludeTrailingPathDelimiter
: Returns a path name without a trailing delimiter.

ExpandFileName
:Returns the full path name for a relative file name.

ExpandUNCFileName
: Returns the full path of a file name in UNC format, if appropriate.

ExtractFileDir
: Extracts the drive and directory parts from FileName.

ExtractFileDrive
: Returns the drive portion of a file name.

ExtractFileExt
: Returns the extension portions of a file name.

ExtractFileName
: Extracts the name and extension parts of a file name.

ExtractFilePath
: Returns the drive and directory portions of a file name.

ExtractRelativePath
: Returns a relative path name, relative to a specific base directory.

ExtractShortPathName
: Converts a file name to the short 8.3 form.

IncludeTrailingBackslash
: Ensures path name ends with delimiter

IncludeTrailingPathDelimiter
: Ensures path name ends with delimiter.

IsPathDelimiter
: Indicates whether the byte at position Index of a string is the path delimiter.

MatchesMask
: Indicates whether a file name conforms to the format specified by a filter string.

MinimizeName
: Shortens a fully qualified path name so that it can be drawn with a specified length limit.

ProcessPath
: Parses a file name into its constituent parts.

UnixPathToDosPath
: Converts a Unix-compatible path specification to a Dos-compatible path specification.

white100 님이 쓰신 글 :
: a.bmp 라는 파일명 + 확장자 에서 "a" 만 가져오는 함수가 있습니까?
:
: 아니면 따로 코딩을 해 줘야 합니까?