12-07-2007
From the top
0A = newline character which is expected in unix text files
0D0A = DOS or windows textfile cr/lf
Changing the cr/lf to 20 is the same as joining the line beneath the cr/lf line to the cr/lf line. Is that what you really want: appending lines?
dos2ux (or dos2unix) is a utility that will get rid of DOS carriage return/linefeed characters and make them standard newlines.
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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)