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Restructured xorriso documentation and added index

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This commit is contained in:
Thomas Schmitt 2010-03-20 16:54:56 +00:00
parent 0baacd4da8
commit cdd8b8a814
6 changed files with 1944 additions and 1017 deletions
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5
libisoburn/trunk/xorriso/convert_man_to_html.sh
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@ -56,10 +56,13 @@ then
-e 's/<b>Dialog, Readline, Result pager:<\/b>/\&nbsp;<BR><b>Dialog, Readline, Result pager:<\/b>/' \
-e 's/<b>Aquiring source and target drive:<\/b>/\&nbsp;<BR><b>Aquiring source and target drive:<\/b><BR>\&nbsp;<BR>/' \
-e 's/<b>Influencing the behavior of image/\&nbsp;<BR><b>Influencing the behavior of image/' \
-e 's/<b>Inserting files into ISO image:<\/b>/\&nbsp;<BR><b>Inserting files into ISO image:<\/b><BR>\&nbsp;<BR>/' \
-e 's/<b>File manipulations:<\/b>/\&nbsp;<BR><b>File manipulations:<\/b><BR>\&nbsp;<BR>/' \
-e 's/<b>Tree traversal command -find:<\/b>/\&nbsp;<BR><b>Tree traversal command -find:<\/b><BR>\&nbsp;<BR>/' \
-e 's/^<p><b>&minus;iso_rr_pattern/<p>\&nbsp;<BR><b>\&minus;iso_rr_pattern/' \
-e 's/EXAMPLES):<br>/<A HREF="#EXAMPLES">EXAMPLES<\/A>):<br>/' \
-e 's/<b>Writing the result, drive control:<\/b>/\&nbsp;<BR><b>Writing the result, drive control:<\/b><BR>/' \
-e 's/<b>Filters for data file content:<\/b>/\&nbsp;<BR><b>Filters for data file content:<\/b><BR>\&nbsp;<BR>/' \
-e 's/<b>Writing the result, drive control:<\/b>/\&nbsp;<BR><b>Writing the result, drive control:<\/b><BR>\&nbsp;<BR>/' \
-e 's/^-find \/ /\&nbsp;\&nbsp;-find \/ /' \
-e 's/<b>Settings for file insertion:<\/b>/\&nbsp;<BR><b>Settings for file insertion:<\/b><BR>\&nbsp;<BR>/' \
-e 's/^$<\/b> ln -s/\&nbsp;\&nbsp;$<\/b> ln -s/' \

5
libisoburn/trunk/xorriso/make_docs.sh
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@ -3,7 +3,8 @@
# Produce man page xorriso/xorriso.1 and info file xorriso/xorriso.info
# from base file xorris/xorriso.texi.
xorriso/make_xorriso_1 -auto
( cd xorriso ; makeinfo ./xorriso.texi )
xorriso/make_xorriso_1 -auto

657
libisoburn/trunk/xorriso/xorriso.1
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@ -442,7 +442,13 @@ a command with a fixed list length. It is handled as normal text if it
appears among the arguments of such a command.
.PP
\fBPattern expansion\fR
is a property of some particular commands and not a general
converts a list of pattern words into a list of existing file addresses.
Eventual unmatched pattern words appear themselves in that result list, though.
.br
Pattern matching supports the usual shell parser wildcards '*' '?' '[xyz]'
and respects '/' as separator which may only be matched literally.
.br
It is a property of some particular commands and not a general
feature. It gets controlled by commands -iso_rr_pattern and -disk_pattern.
Commands which eventually use pattern expansion all have variable argument
lists which are marked in this man page by "[***]" rather than "[...]".
@ -828,7 +834,7 @@ Allow for writing only the usage of MMC optical drives. Disallow
to write the result into files of nearly arbitrary type.
Once set, this command cannot be revoked.
.TP
.B File manipulations:
.B Inserting files into ISO image:
.PP
The following commands expect file addresses of two kinds:
.br
@ -859,27 +865,6 @@ eventual existing target directory rather than attempting to replace it.
.PP
The commands in this section alter the ISO image and not the local filesystem.
.TP
\fB\-iso_rr_pattern\fR "on"|"ls"|"off"
Set the pattern expansion mode for the iso_rr_path arguments of several
commands which support this feature.
.br
\fBPattern expansion\fR
converts a list of pattern words into a list of existing file addresses.
Eventual unmatched pattern words appear themselves in that result list, though.
.br
Pattern matching supports the usual shell parser wildcards '*' '?' '[xyz]'
and respects '/' as separator which may only be matched literally.
.br
Setting "off" disables this feature for all commands which are marked in this
man page by "iso_rr_path [***]" or "iso_rr_pattern [***]".
.br
Setting "on" enables it for all those commands.
.br
Setting "ls" enables it only for those which are marked by
"iso_rr_pattern [***]".
.br
Default is "on".
.TP
\fB\-disk_pattern\fR "on"|"ls"|"off"
Set the pattern expansion mode for the disk_path arguments of several
commands which support this feature.
@ -1031,6 +1016,226 @@ get the same type as the disk_path.
If a disk_path does not begin with '/' then -cdx is prepended.
If the iso_rr_path does not begin with '/' then -cd is prepended.
.TP
\fB\-mkdir\fR iso_rr_path [...]
Create empty directories if they do not exist yet.
Existence as directory generates a WARNING event, existence as
other file causes a FAILURE event.
.TP
.B Settings for file insertion:
.TP
\fB\-file_size_limit\fR value [value [...]] --
Set the maximum permissible size for a single data file. The values get
summed up for the actual limit. If the only value is "off" then the file
size is not limited by xorriso. Default is a limit of 100 extents, 4g -2k each:
.br
-file_size_limit 400g -200k --
.br
When mounting ISO 9660 filesystems, old operating systems can handle only files
up to 2g -1 --. Newer ones are good up to 4g -1 --.
You need quite a new Linux kernel to read correctly the final bytes
of a file >= 4g if its size is not aligned to 2048 byte blocks.
.br
xorriso's own data read capabilities are not affected by eventual
operating system size limits. They apply to mounting only. Nevertheless,
the target filesystem of an -extract must be able to take the file size.
.TP
\fB\-not_mgt\fR code[:code[...]]
Control the behavior of the exclusion lists.
.br
Exclusion processing happens before disk_paths get mapped to the ISO image
and before disk files get compared with image files.
The absolute disk path of the source is matched against the -not_paths list.
The leafname of the disk path is matched against the patterns in the -not_leaf
list. If a match is detected then the disk path will not be regarded as an
existing file and not be added to the ISO image.
.br
Several codes are defined.
The _on/_off settings persist until they are revoked by their_off/_on
counterparts.
.br
"erase" empties the lists which were accumulated by -not_paths and -not_leaf.
.br
"reset" is like "erase" but also re-installs default behavior.
.br
"off" disables exclusion processing temporarily without invalidating
the lists and settings.
.br
"on" re-enables exclusion processing.
.br
"param_off" applies exclusion processing only to paths below disk_path
parameter of commands. I.e. explicitly given disk_paths are exempted
from exclusion processing.
.br
"param_on" applies exclusion processing to command parameters as well as
to files below such parameters.
.br
"subtree_off" with "param_on" excludes parameter paths only if they
match a -not_paths item exactly.
.br
"subtree_on" additionally excludes parameter paths which lead to a file
address below any -not_paths item.
.br
"ignore_off" treats excluded disk files as if they were missing. I.e. they
get reported with -compare and deleted from the image with -update.
.br
"ignore_on" keeps excluded files out of -compare or -update activities.
.TP
\fB\-not_paths\fR disk_path [***]
Add the given paths to the list of excluded absolute disk paths. If a given
path is relative, then the current -cdx is prepended to form an absolute path.
Eventual pattern matching happens at definition time and not when exclusion
checks are made.
.br
(Do not forget to end the list of disk_paths by "--")
.TP
\fB\-not_leaf\fR pattern
Add a single shell parser style pattern to the list of exclusions for
disk leafnames. These patterns are evaluated when the exclusion checks are
made.
.TP
\fB\-not_list\fR disk_path
Read lines from disk_path and use each of them either as -not_paths argument,
if they contain a / character, or as -not_leaf pattern.
.TP
\fB\-quoted_not_list\fR disk_path
Like -not_list but with quoted input reading rules. Each word is
handled as one argument for -not_paths resp. -not_leaf.
.TP
\fB\-follow\fR occasion[:occasion[...]]
Enable or disable resolution of symbolic links and mountpoints under
disk_paths. This applies to actions -add, -du*x, -ls*x, -findx,
and to -disk_pattern expansion.
.br
There are two kinds of follow decisison to be made:
.br
"link" is the hop from a symbolic link to its target file object.
If enabled then symbolic links are handled as their target file objects,
else symbolic links are handled as themselves.
.br
"mount" is the hop from one filesystem to another subordinate filesystem.
If enabled then mountpoint directories are handled as any other directory,
else mountpoints are handled as empty directories if they are encountered in
directory tree traversals.
.br
Less general than above occasions:
.br
"pattern" is mount and link hopping, but only during -disk_pattern expansion.
.br
"param" is link hopping for parameter words (after eventual pattern expansion).
If enabled then -ls*x will show the link targets rather than the links
themselves. -du*x, -findx, and -add will process the link targets but not
follow links in an eventual directory tree below the targets (unless "link"
is enabled).
.br
Occasions can be combined in a colon separated list. All occasions
mentioned in the list will then lead to a positive follow decision.
.br
"off" prevents any positive follow decision. Use it if no other occasion
applies.
.br
Shortcuts:
.br
"default" is equivalent to "pattern:mount:limit=100".
.br
"on" always decides positive. Equivalent to "link:mount".
.br
Not an occasion but an optional setting is:
.br
"limit="<number> which sets the maximum number of link hops.
A link hop consists of a sequence of symbolic links and a final target
of different type. Nevertheless those hops can loop. Example:
.br
$ ln -s .. uploop
.br
Link hopping has a built-in loop detection which stops hopping at the first
repetition of a link target. Then the repeated link is handled as itself
and not as its target.
Regrettably one can construct link networks which
cause exponential workload before their loops get detected.
The number given with "limit=" can curb this workload at the risk of truncating
an intentional sequence of link hops.
.TP
\fB\-pathspecs\fR "on"|"off"
Control parameter interpretation with xorriso actions -add and -path_list.
.br
"on" enables pathspecs of the form
\fBtarget=source\fR
like with program mkisofs -graft-points.
It also disables -disk_pattern expansion for command -add.
.br
"off" disables pathspecs of the form target=source
and eventually enables -disk_pattern expansion.
.TP
\fB\-overwrite\fR "on"|"nondir"|"off"
Allow or disallow to overwrite existing files in the
ISO image by files with the same name.
.br
With setting "off", name collisions cause FAILURE events.
With setting "nondir", only directories are protected by such events, other
existing file types get treated with -rm before the new file gets added.
Setting "on" allows automatic -rm_r. I.e. a non-directory can replace an
existing directory and all its subordinates.
.br
If restoring of files is enabled, then the overwrite rule applies to the
target file objects on disk as well, but "on" is downgraded to "nondir".
.TP
\fB\-split_size\fR number["k"|"m"]
Set the threshold for automatic splitting of regular files. Such splitting
maps a large disk file onto a ISO directory with several part files in it.
This is necessary if the size of the disk file exceeds -file_size_limit.
Older operating systems can handle files in mounted ISO 9660 filesystems
only if they are smaller than 2 GiB resp. 4 GiB.
.br
Default is 0 which will exclude files larger than -file_size_limit by a
FAILURE event.
A well tested -split_size is 2047m. Sizes above -file_size_limit are not
permissible.
.br
While option -split_size is set larger than 0 such a directory with split
file pieces will be recognized and handled like a regular file by options
-compare* , -update*, and in overwrite situations. There are -ossirox
options "concat_split_on" and "concat_split_off" which control the handling
when files get restored to disk.
.br
In order to be recognizable, the names of the part files have to
describe the splitting by 5 numbers:
.br
part_number,total_parts,byte_offset,byte_count,disk_file_size
.br
which are embedded in the following text form:
.br
part_#_of_#_at_#_with_#_of_#
.br
Scaling characters like "m" or "k" are taken into respect.
All digits are interpreted as decimal, even if leading zeros are present.
.br
E.g: /file/part_1_of_3_at_0_with_2047m_of_5753194821
.br
No other files are allowed in the directory. All parts have to be present and
their numbers have to be plausible. E.g. byte_count must be valid as -cut_out
argument and their contents may not overlap.
.TP
.B File manipulations:
.PP
The following commands manipulate files in the ISO image, regardless whether
they stem from the loaded image or were newly inserted.
.PP
.TP
\fB\-iso_rr_pattern\fR "on"|"ls"|"off"
Set the pattern expansion mode for the iso_rr_path arguments of several
commands which support this feature.
.br
Setting "off" disables pattern expansion for all commands which are marked
in this man page by "iso_rr_path [***]" or "iso_rr_pattern [***]".
.br
Setting "on" enables it for all those commands.
.br
Setting "ls" enables it only for those which are marked by
"iso_rr_pattern [***]".
.br
Default is "on".
.TP
\fB\-rm\fR iso_rr_path [***]
Delete the given files from the ISO image.
.br
@ -1044,6 +1249,9 @@ media in modification mode.
Delete the given files or directory trees from the ISO image.
See also the note with option -rm.
.TP
\fB\-rmdir\fR iso_rr_path [***]
Delete empty directories.
.TP
\fB\-mv\fR iso_rr_path [***] iso_rr_path
Rename the given file objects in the ISO tree to the last
argument in the list. Use the same rules as with shell command mv.
@ -1170,96 +1378,6 @@ whitespace after the end quote will be ignored. Non-printables bytes and quotes
must be represented as \\XYZ by their octal ASCII code XYZ.
Use code \\000 for 0-bytes.
.TP
\fB\-external_filter\fR name option[:option] program_path [arguments] --
Register a content filter by associating a name with a program path,
program arguments, and some behavioral options. Once registered it can be
applied to multiple data files in the ISO image, regardless whether their
content resides in the loaded ISO image or in the local filesystem.
External filter processes may produce synthetic file content by reading the
original content from stdin and writing to stdout whatever they want.
They must deliver the same output on the same input in repeated runs.
.br
Options are:
.br
"default" means that no other option is intended.
.br
"suffix=..." sets a file name suffix. If it is not empty then it will be
appended to the file name or removed from it.
.br
"remove_suffix" will remove an eventual file name suffix
rather than appending it.
.br
"if_nonempty" will leave 0-sized files unfiltered.
.br
"if_reduction" will try filtering and revoke it if the content size does not
shrink.
.br
"if_block_reduction" will revoke if the number of 2 kB blocks does not shrink.
.br
"used=..." is ignored. Command -status shows it with the number of
files which currently have the filter applied.
.br
Examples:
.br
-external_filter bzip2 suffix=.bz2:if_block_reduction \\
.br
/usr/bin/bzip2 --
.br
-external_filter bunzip2 suffix=.bz2:remove_suffix \\
.br
/usr/bin/bunzip2 --
.TP
\fB\-unregister_filter\fR name
Remove an -external_filter registration. This is only possible if the filter
is not applied to any file in the ISO image.
.TP
\fB\-close_filter_list\fR
Irrevocably ban commands -external_filter and -unregister_filter,
but not -set_filter. Use this to prevent external filtering in general or
when all intended filters are registered.
External filters may also be banned totally at compile time of xorriso.
By default they are banned if xorriso runs under setuid permission.
.TP
\fB\-set_filter\fR name iso_rr_path [***]
Apply an -external_filter or a built-in filter to the given data files in the
ISO image.
If the filter suffix is not empty , then it will be applied to the file name.
Renaming only happens if the filter really gets attached and is not revoked by
its options.
By default files which already bear the suffix will not get filtered. The
others will get the suffix appended to their names.
If the filter has option "remove_suffix", then the filter will only be
applied if the suffix is present and can be removed.
Name oversize or collision caused by suffix change will prevent filtering.
.br
With most filter types this command will immediately run the filter once for
each file in order to determine the output size.
Content reading operations like -extract , -compare and image generation will
perform further filter runs and deliver filtered content.
.br
At image generation time the filter output must still be the same as the
output from the first run. Filtering for image generation does not happen
with files from the loaded ISO image if the write method of growing is in
effect (i.e -indev and -outdev are identical).
.br
The reserved filter name "--remove-all-filters" revokes
filtering. This will revoke eventual suffix renamings as well.
Use "--remove-all-filters+" to
prevent any suffix renaming.
.br
Built-in filters are "--zisofs" and
"--zisofs-decode". The former is to be
applied via -set_filter, the latter is automatically applied if zisofs
compressed content is detected with a file when loading the ISO image.
.br
Another built-in filter pair is "--gzip"
and "--gunzip" with suffix ".gz".
They behave about like external gzip and gunzip but avoid forking a process
for each single file. So they are much faster if there are many small files.
.TP
\fB\-set_filter_r\fR name iso_rr_path [***]
Like -set_filter but affecting all data files below eventual directories.
.TP
\fB\-alter_date\fR type timestring iso_rr_path [***]
Alter the date entries of a file in the ISO image. type is
one of "a", "m", "b" for access time, modification time,
@ -1299,6 +1417,9 @@ where "A0" is year 2000, "B0" is 2010, etc.
\fB\-alter_date_r\fR type timestring iso_rr_path [***]
Like -alter_date but affecting all files below eventual directories.
.TP
.B Tree traversal command -find:
.PP
.TP
\fB\-find\fR iso_rr_path [test [op] [test ...]] [-exec action [params]] --
A restricted substitute for shell command find in the ISO image.
It performs an action on matching file objects at or below iso_rr_path.
@ -1522,24 +1643,111 @@ E.g.:
.br
-find / -name '???' -type d -exec find -name '[abc]*' -exec chmod a-w,a+r --
.TP
\fB\-mkdir\fR iso_rr_path [...]
Create empty directories if they do not exist yet.
Existence as directory generates a WARNING event, existence as
other file causes a FAILURE event.
.B Filters for data file content:
.PP
\fBFilters\fR may be installed between data files in the ISO image and their
content source outside the image. They may also be used vice versa between
data content in the image and target files on disk.
.br
Built-in filters are "--zisofs" and
"--zisofs-decode". The former is to be
applied via -set_filter, the latter is automatically applied if zisofs
compressed content is detected with a file when loading the ISO image.
.br
Another built-in filter pair is "--gzip"
and "--gunzip" with suffix ".gz".
They behave about like external gzip and gunzip but avoid forking a process
for each single file. So they are much faster if there are many small files.
.PP
.TP
\fB\-rmdir\fR iso_rr_path [***]
Delete empty directories.
\fB\-external_filter\fR name option[:option] program_path [arguments] --
Register a content filter by associating a name with a program path,
program arguments, and some behavioral options. Once registered it can be
applied to multiple data files in the ISO image, regardless whether their
content resides in the loaded ISO image or in the local filesystem.
External filter processes may produce synthetic file content by reading the
original content from stdin and writing to stdout whatever they want.
They must deliver the same output on the same input in repeated runs.
.br
Options are:
.br
"default" means that no other option is intended.
.br
"suffix=..." sets a file name suffix. If it is not empty then it will be
appended to the file name or removed from it.
.br
"remove_suffix" will remove an eventual file name suffix
rather than appending it.
.br
"if_nonempty" will leave 0-sized files unfiltered.
.br
"if_reduction" will try filtering and revoke it if the content size does not
shrink.
.br
"if_block_reduction" will revoke if the number of 2 kB blocks does not shrink.
.br
"used=..." is ignored. Command -status shows it with the number of
files which currently have the filter applied.
.br
Examples:
.br
-external_filter bzip2 suffix=.bz2:if_block_reduction \\
.br
/usr/bin/bzip2 --
.br
-external_filter bunzip2 suffix=.bz2:remove_suffix \\
.br
/usr/bin/bunzip2 --
.TP
\fB\-rollback\fR
Discard the manipulated ISO image and reload it from -indev.
\fB\-unregister_filter\fR name
Remove an -external_filter registration. This is only possible if the filter
is not applied to any file in the ISO image.
.TP
\fB\-rollback_end\fR
Discard the manipulated ISO image. End program without loading a new image.
\fB\-close_filter_list\fR
Irrevocably ban commands -external_filter and -unregister_filter,
but not -set_filter. Use this to prevent external filtering in general or
when all intended filters are registered.
External filters may also be banned totally at compile time of xorriso.
By default they are banned if xorriso runs under setuid permission.
.TP
\fB\-set_filter\fR name iso_rr_path [***]
Apply an -external_filter or a built-in filter to the given data files in the
ISO image.
If the filter suffix is not empty , then it will be applied to the file name.
Renaming only happens if the filter really gets attached and is not revoked by
its options.
By default files which already bear the suffix will not get filtered. The
others will get the suffix appended to their names.
If the filter has option "remove_suffix", then the filter will only be
applied if the suffix is present and can be removed.
Name oversize or collision caused by suffix change will prevent filtering.
.br
With most filter types this command will immediately run the filter once for
each file in order to determine the output size.
Content reading operations like -extract , -compare and image generation will
perform further filter runs and deliver filtered content.
.br
At image generation time the filter output must still be the same as the
output from the first run. Filtering for image generation does not happen
with files from the loaded ISO image if the write method of growing is in
effect (i.e -indev and -outdev are identical).
.br
The reserved filter name "--remove-all-filters" revokes
filtering. This will revoke eventual suffix renamings as well.
Use "--remove-all-filters+" to
prevent any suffix renaming.
.TP
\fB\-set_filter_r\fR name iso_rr_path [***]
Like -set_filter but affecting all data files below eventual directories.
.TP
.B Writing the result, drive control:
.PP
(see also paragraph about settings below)
.TP
\fB\-rollback\fR
Discard the manipulated ISO image and reload it from -indev.
(Use -rollback_end if immediate program end is desired.)
.TP
\fB\-commit\fR
Perform the write operation. Afterwards eventually make the
-outdev the new -dev and load the image from there.
@ -1672,208 +1880,14 @@ Smaller format size with DVD-RAM, BD-RE, or BD-R means more reserve space.
Put out a list of media types supported by -indev, resp. -outdev, resp. both.
The currently recognized type is marked by text "(current)".
.TP
.B Settings for file insertion:
.TP
\fB\-file_size_limit\fR value [value [...]] --
Set the maximum permissible size for a single data file. The values get
summed up for the actual limit. If the only value is "off" then the file
size is not limited by xorriso. Default is a limit of 100 extents, 4g -2k each:
.br
-file_size_limit 400g -200k --
.br
When mounting ISO 9660 filesystems, old operating systems can handle only files
up to 2g -1 --. Newer ones are good up to 4g -1 --.
You need quite a new Linux kernel to read correctly the final bytes
of a file >= 4g if its size is not aligned to 2048 byte blocks.
.br
xorriso's own data read capabilities are not affected by eventual
operating system size limits. They apply to mounting only. Nevertheless,
the target filesystem of an -extract must be able to take the file size.
.TP
\fB\-not_mgt\fR code[:code[...]]
Control the behavior of the exclusion lists.
.br
Exclusion processing happens before disk_paths get mapped to the ISO image
and before disk files get compared with image files.
The absolute disk path of the source is matched against the -not_paths list.
The leafname of the disk path is matched against the patterns in the -not_leaf
list. If a match is detected then the disk path will not be regarded as an
existing file and not be added to the ISO image.
.br
Several codes are defined.
The _on/_off settings persist until they are revoked by their_off/_on
counterparts.
.br
"erase" empties the lists which were accumulated by -not_paths and -not_leaf.
.br
"reset" is like "erase" but also re-installs default behavior.
.br
"off" disables exclusion processing temporarily without invalidating
the lists and settings.
.br
"on" re-enables exclusion processing.
.br
"param_off" applies exclusion processing only to paths below disk_path
parameter of commands. I.e. explicitly given disk_paths are exempted
from exclusion processing.
.br
"param_on" applies exclusion processing to command parameters as well as
to files below such parameters.
.br
"subtree_off" with "param_on" excludes parameter paths only if they
match a -not_paths item exactly.
.br
"subtree_on" additionally excludes parameter paths which lead to a file
address below any -not_paths item.
.br
"ignore_off" treats excluded disk files as if they were missing. I.e. they
get reported with -compare and deleted from the image with -update.
.br
"ignore_on" keeps excluded files out of -compare or -update activities.
.TP
\fB\-not_paths\fR disk_path [***]
Add the given paths to the list of excluded absolute disk paths. If a given
path is relative, then the current -cdx is prepended to form an absolute path.
Eventual pattern matching happens at definition time and not when exclusion
checks are made.
.br
(Do not forget to end the list of disk_paths by "--")
.TP
\fB\-not_leaf\fR pattern
Add a single shell parser style pattern to the list of exclusions for
disk leafnames. These patterns are evaluated when the exclusion checks are
made.
.TP
\fB\-not_list\fR disk_path
Read lines from disk_path and use each of them either as -not_paths argument,
if they contain a / character, or as -not_leaf pattern.
.TP
\fB\-quoted_not_list\fR disk_path
Like -not_list but with quoted input reading rules. Each word is
handled as one argument for -not_paths resp. -not_leaf.
.TP
\fB\-follow\fR occasion[:occasion[...]]
Enable or disable resolution of symbolic links and mountpoints under
disk_paths. This applies to actions -add, -du*x, -ls*x, -findx,
and to -disk_pattern expansion.
.br
There are two kinds of follow decisison to be made:
.br
"link" is the hop from a symbolic link to its target file object.
If enabled then symbolic links are handled as their target file objects,
else symbolic links are handled as themselves.
.br
"mount" is the hop from one filesystem to another subordinate filesystem.
If enabled then mountpoint directories are handled as any other directory,
else mountpoints are handled as empty directories if they are encountered in
directory tree traversals.
.br
Less general than above occasions:
.br
"pattern" is mount and link hopping, but only during -disk_pattern expansion.
.br
"param" is link hopping for parameter words (after eventual pattern expansion).
If enabled then -ls*x will show the link targets rather than the links
themselves. -du*x, -findx, and -add will process the link targets but not
follow links in an eventual directory tree below the targets (unless "link"
is enabled).
.br
Occasions can be combined in a colon separated list. All occasions
mentioned in the list will then lead to a positive follow decision.
.br
"off" prevents any positive follow decision. Use it if no other occasion
applies.
.br
Shortcuts:
.br
"default" is equivalent to "pattern:mount:limit=100".
.br
"on" always decides positive. Equivalent to "link:mount".
.br
Not an occasion but an optional setting is:
.br
"limit="<number> which sets the maximum number of link hops.
A link hop consists of a sequence of symbolic links and a final target
of different type. Nevertheless those hops can loop. Example:
.br
$ ln -s .. uploop
.br
Link hopping has a built-in loop detection which stops hopping at the first
repetition of a link target. Then the repeated link is handled as itself
and not as its target.
Regrettably one can construct link networks which
cause exponential workload before their loops get detected.
The number given with "limit=" can curb this workload at the risk of truncating
an intentional sequence of link hops.
.TP
\fB\-pathspecs\fR "on"|"off"
Control parameter interpretation with xorriso actions -add and -path_list.
.br
"on" enables pathspecs of the form
\fBtarget=source\fR
like with program mkisofs -graft-points.
It also disables -disk_pattern expansion for command -add.
.br
"off" disables pathspecs of the form target=source
and eventually enables -disk_pattern expansion.
.TP
\fB\-overwrite\fR "on"|"nondir"|"off"
Allow or disallow to overwrite existing files in the
ISO image by files with the same name.
.br
With setting "off", name collisions cause FAILURE events.
With setting "nondir", only directories are protected by such events, other
existing file types get treated with -rm before the new file gets added.
Setting "on" allows automatic -rm_r. I.e. a non-directory can replace an
existing directory and all its subordinates.
.br
If restoring of files is enabled, then the overwrite rule applies to the
target file objects on disk as well, but "on" is downgraded to "nondir".
.TP
\fB\-split_size\fR number["k"|"m"]
Set the threshold for automatic splitting of regular files. Such splitting
maps a large disk file onto a ISO directory with several part files in it.
This is necessary if the size of the disk file exceeds -file_size_limit.
Older operating systems can handle files in mounted ISO 9660 filesystems
only if they are smaller than 2 GiB resp. 4 GiB.
.br
Default is 0 which will exclude files larger than -file_size_limit by a
FAILURE event.
A well tested -split_size is 2047m. Sizes above -file_size_limit are not
permissible.
.br
While option -split_size is set larger than 0 such a directory with split
file pieces will be recognized and handled like a regular file by options
-compare* , -update*, and in overwrite situations. There are -ossirox
options "concat_split_on" and "concat_split_off" which control the handling
when files get restored to disk.
.br
In order to be recognizable, the names of the part files have to
describe the splitting by 5 numbers:
.br
part_number,total_parts,byte_offset,byte_count,disk_file_size
.br
which are embedded in the following text form:
.br
part_#_of_#_at_#_with_#_of_#
.br
Scaling characters like "m" or "k" are taken into respect.
All digits are interpreted as decimal, even if leading zeros are present.
.br
E.g: /file/part_1_of_3_at_0_with_2047m_of_5753194821
.br
No other files are allowed in the directory. All parts have to be present and
their numbers have to be plausible. E.g. byte_count must be valid as -cut_out
argument and their contents may not overlap.
.TP
.B Settings for result writing:
.PP
Rock Ridge info will be generated by the program unconditionally.
ACLs will be written according to the setting of option -acl.
.TP
\fB\-joliet\fR "on"|"off"
If enabled by "on", generate Joliet info additional to Rock Ridge info.
If enabled by "on", generate Joliet tree additional to ISO 9660 + Rock Ridge
tree.
.TP
\fB\-compliance\fR rule[:rule...]
Adjust the compliance to specifications of ISO 9660 and its contemporary
@ -3245,7 +3259,10 @@ of xorriso begin. Only "-scsi_log" with dash "-" is recognized that way.
.TP
\fB\-end\fR
.br
End program immediately
End program after writing eventually pending changes.
.TP
\fB\-rollback_end\fR
Discard pending changes. End program immediately.
.TP
\fB#\fR any text
Only in dialog or file execution mode, and only as first

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#define Xorriso_timestamP "2010.03.18.101202"
#define Xorriso_timestamP "2010.03.20.165317"