/sys$common/syshlp/helplib.hlb FORTRAN, Statements, WRITE, Indexed, Formatted  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Formatted indexed WRITE statement format:

    WRITE (extu,fmt,[,err][,iostat])[iolist]

  Writes to a specified external unit.  Translates the data from
  binary to character format as specified by "fmt".