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Full Discussion: Can DOS close an open file?
Special Forums Windows & DOS: Issues & Discussions Can DOS close an open file? Post 302272712 by reborg on Wednesday 31st of December 2008 01:09:16 PM
Old 12-31-2008
Not easily and not directly through DOS. You would have to write a control for excel to close and reopen the file.
 

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dosif(4)						     Kernel Interfaces Manual							  dosif(4)

NAME
DOSIF - DOS interchange format DESCRIPTION
The DOS Interchange Format (DOSIF) is the name given to the media format used by the DOS operating system. This format is based upon that used in IBM PC and PC AT and HP Vectra systems. Use the and commands to convert files between HP-UX and DOS file formats; see dos2ux(1). Use these utilities to retrieve information from a DOSIF volume. The dos*(1) utilities are the only HP-UX commands that can interact directly with the contents of a DOSIF volume. The only other way to interact with the contents of a DOSIF volume is to use an HP-UX DOS emulation or coprocessor facility such as SoftPC or the DOS Coproces- sor. The command cannot be used on a DOSIF volume because the operating system does not recognize it (see mount(1M)). When constructing file names for the dos*(1) commands, start with the HP-UX path name of the DOSIF volume, then add a colon followed by the file name: or This file naming convention is suitable for use only in arguments of the dos*(1) utilities. It does not constitute a legal path name for any other use in HP-UX applications. Metacharacters and can be used when specifying both HP-UX and DOS file names. These must be quoted when specifying a DOS file name, because file name expansion is performed by the DOS utilities, not by the shell. The dos*(1) utilities expand file names as described in regexp(5) in the section. By convention, if the HP-UX device name and a trailing colon are specified, but no file or directory name is provided (for example, the root of the DOS file system is assumed. EXAMPLES
Example 1 Specify DOSIF file accessed through HP-UX special file Example 2 Specify DOSIF file accessed through the DOS volume stored as HP-UX file SEE ALSO
dos2ux(1). dosif(4)
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