/*
** AREXX $VER: NameStruc V1.0 (13.09.1992)
**
** This ARexx script accepts a filename and returns three lengthes (not
** strings, to avoid problems with embedded spaces) corresponding to the
** main parts of this filename.
**
** Example: RAM:foo/bar/nasty.tar.Z
**          ^   ^       ^
**      volume   : 4 (RAM:)
**      subdirlen: 8 (foo/bar/)  NOTE : The trailing slash is included.
**      baselen  : 9 (nasty.tar) NOTE : if no extension, whole length.
*/
Parse Arg FULLNAME /* FULLNAME = strip(FULLNAME,'L') */

VOLUME    = Index(FULLNAME,":")
SUBDIRLEN = LastPos("/",SubStr(FULLNAME,1+VOLUME))
FILEONLY  = SubStr(FULLNAME,VOLUME+1+SUBDIRLEN)
BASELEN   = LastPos(".",FILEONLY)

If 0 = BASELEN Then
  BASELEN = Length(FILEONLY)
Else
  BASELEN = BASELEN - 1

Return VOLUME' 'SUBDIRLEN' 'BASELEN