We currently don't have any documentation for the INQUIRE statement; it should not be put into the Intrinsic Procedures chapter as it is not an intrinsic procedure. Maybe create a "File Operation I/O Statements" chapter?
Inquire should be straight forward (with the problem between Fortran 95 and Fortran 2003; the latter allows at least for all arguments now all kinds rather than only the default kind). Most important is to document the UNFORMATTED and the FORMATTED specifier. Their use is to return whether a file is unformatted or formatted, but this is in practice impossible to tell reliably. (This should be made clear in the documentation.) - possible values UNKNOWN, YES, NO. Returning always "UNKNOWN" would be the most correct answer ;-) Cf. http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/cd8524acdbea6b6e/ Implementation choice of gfortran for both formatted/unformatted: - UNIT of unconnected file (and only preconnected files?) and file name="": UNKNOWN - Filename of existing file (and connected files, queried via UNIT): YES - if it is a file (regular, block/character device, named pipe) NO - if it is a directory UNKNOWN - otherwise Other compilers have often: - UNKNOWN - for unconnected files - YES - for UNFORMATTED, if connected as UNFORMATTED - NO - for FORMATTED if connected as UNFORMATTED (and the last two vice versa if connected as FORMATTED) Most people using FORMATTED or UNFORMATTED actually want to use FORM, values: - UNDEFINED for unconnected files - FORMATTED for as formatted opened files - UNFORMATTED for as unformatted opened files -- Summary: Document INQUIRE, especially UNFORMATTED and FORMATTED Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: documentation Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: burnus at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30123
