HP 3000 Manuals HP 3000 Manuals
Chapter 14 Getting File Information
MPE/iX provides a number of commands and intrinsics that enable you to
obtain information about your files. You can use the commands and
intrinsics described in this chapter to obtain file information for a
variety of purposes.
This chapter is divided into two main sections:
* General File Information covers the commands and intrinsics that
you use to obtain information concerning the physical and
operational characteristics of your file (defined by device
dependencies, a disk file's label, FILE commands, HPFOPEN/FOPEN
intrinsic parameters, and file system defaults), as well as
access-dependent details about a currently opened file (including
EOF and logical record marker locations). Commands and intrinsics
described in this section are:
LISTFILE command
LISTEQ command
[CMD] INFO command
FFILEINFO intrinsic
FGETINFO intrinsic
FLABELINFO intrinsic
FRELATE intrinsic
* Error information covers the intrinsics that you use specifically
to handle file system errors--to identify an error and to display
error information at the terminal. This can include a description
of the error condition returned by the last file access intrinsic
call. Intrinsics described in this section are:
FCHECK intrinsic
FERRMSG intrinsic
PRINTFILEINFO intrinsic
A number of commands and intrinsics return the same information. Which
one you use in a certain situation is by the context and by the purpose
for which you wish to use the information.