HP d640 HP D640 High-Volume Printer - Technical Reference Manual, C5630-90030 - Page 48

File System Conventions, Long Filenames

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File System Conventions The D640 printer now includes the following file system conventions. Long Filenames The file system for the D640 printer supports a long filename convention similar (but not identical) to long filenames in MS Windows. Long filenames can include any combination of the following: l name stems longer than 8 characters (for example, longername.ext) l extensions longer than 3 characters (for example, name.grp1) l names containing more than one extension or dot "." (for example, name.rev21.tif) l names containing special characters (for example, name:new.user or ?name.+) Before you create files with long names, consider the following: l HP strongly recommends that characters used in filenames be confined to the ASCII printing set - excluding characters used as punctuation symbols or wildcards. The following printing characters are excluded in DOS and MS Windows: Operating system DOS Windows 95 or NT Excluded Characters The D640 filing system does not enforce these restrictions. However, you may encounter problems when protocol commands refer to filenames with excluded characters. l Files and directories with long filenames have an additional abbreviated name which is DOS-compatible (8.3 characters). In any context, files and directories may be specified by either the long name or the abbreviated name. l The limit on a file or directory name (including all extensions) is 100 characters. l There is an absolute upper limit of 255 characters on a complete pathname (including drive specifier). 42 Chapter 4: Using the Printer's Hard Disk

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42
Chapter 4: Using the Printer’s Hard Disk
File System Conventions
The D640 printer now includes the following file system conventions.
Long Filenames
The file system for the D640 printer supports a long filename
convention similar (but not identical) to long filenames in
MS Windows.
Long filenames can include any combination of the following:
l
name stems longer than 8 characters (for example,
longername.ext
)
l
extensions longer than 3 characters (for example,
name.grp1
)
l
names containing more than one extension or dot “.” (for
example,
name.rev21.tif
)
l
names containing special characters (for example,
name:new.user
or
?name.+
)
Before you create files with long names, consider the following:
l
HP strongly recommends that characters used in filenames be
confined to the ASCII printing set – excluding characters used as
punctuation symbols or wildcards.
The following printing characters are excluded in DOS and MS
Windows:
The D640 filing system does not enforce these restrictions.
However, you may encounter problems when protocol
commands refer to filenames with excluded characters.
l
Files and directories with long filenames have an additional
abbreviated name which is DOS-compatible (8.3 characters). In
any context, files and directories may be specified by either the
long name or the abbreviated name.
l
The limit on a file or directory name (including all extensions) is
100 characters.
l
There is an absolute upper limit of 255 characters on a complete
pathname (including drive specifier).
Operating system
Excluded Characters
DOS
. " / \ [ ] : ; | = , ? * + < >
Windows 95 or NT
" / \ : | ? * < >