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luaotfload-tool - Online in the Cloud

Run luaotfload-tool in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command luaotfload-tool that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


luaotfload-tool - generate and query the Luaotfload font names database

SYNOPSIS


luaotfload-tool [ -bcDfFiIlLnpqRSuvVhw ]

luaotfload-tool --update [ --force ] [ --quiet ] [ --verbose ]
[ --prefer-texmf ] [ --dry-run ] [ --formats=[+|-]EXTENSIONS ] [ --no-compress ] [
--no-strip ] [ --local ] [ --max-fonts=N ]

luaotfload-tool --find=FONTNAME [ --fuzzy ] [ --info ] [ --inspect ]
[ --no-reload ]

luaotfload-tool --flush-lookups

luaotfload-tool --cache=DIRECTIVE

luaotfload-tool --list=CRITERION[:VALUE] [ --fields=F1,F2,...,Fn ]

luaotfload-tool --bisect=DIRECTIVE

luaotfload-tool --help

luaotfload-tool --version

luaotfload-tool --show-blacklist

luaotfload-tool --diagnose=CHECK

luaotfload-tool --conf=FILE --dumpconf

DESCRIPTION


luaotfload-tool accesses the font names database that is required by the Luaotfload
package. There are two general modes: update and query.

· update: update the database or rebuild it entirely;

· query: resolve a font name or display close matches.

OPTIONS


update mode
--update, -u
Update the database; indexes new fonts.

--force, -f
Force rebuilding of the database; re-indexes all fonts.

--local, -L
Include font files in $PWD. This option will cause large parts of the database to
be rebuilt. Thus it is quite inefficient. Additionally, if local font files are
found, the database is prevented from being saved to disk, so the local fonts need
to be parsed with every invocation of luaotfload-tool.

--no-reload, -n
Suppress auto-updates to the database (e.g. when --find is passed an unknown
name).

--no-compress, -c
Do not filter the plain text version of the font index through gzip. Useful for
debugging if your editor is built without zlib.

--prefer-texmf, -p
Organize the file name database in a way so that it prefer fonts in the TEXMF tree
over system fonts if they are installed in both.

--formats=EXTENSIONS
Extensions of the font files to index. Where EXTENSIONS is a comma-separated list
of supported file extensions (otf, ttf, ttc, dfont, pfa, and pfb). If the list is
prefixed with a + sign, the given list is added to the currently active one; -
subtracts. Default: otf,ttf,ttc,dfont. Examples:

1. --formats=-ttc,ttf would skip TrueType fonts and font collections;

2. --formats=otf would scan only OpenType files;

3. --formats=+pfb includes binary Postscript files. Warning: with a standard TeX
Live installation this will grow the database considerably and slow down font
indexing.

query mode
--find=NAME
Resolve a font name; this looks up <name> in the database and prints the file name
it is mapped to. --find also understands request syntax, i.e. --find=file:foo.otf
checks whether foo.otf is indexed.

--fuzzy, -F
Show approximate matches to the file name if the lookup was unsuccessful (requires
--find).

--info, -i
Display basic information to a resolved font file (requires --find).

--inspect, -I
Display detailed information by loading the font and analyzing the font table; very
slow! For the meaning of the returned fields see the LuaTeX documentation.
(requires --find).

--warnings, -w
Print the warnings generated by the fontloader library (assumes -I). Automatically
enabled if the verbosity level exceeds 2.

--list=CRITERION
Show entries, where CRITERION is one of the following:

1. the character *, selecting all entries;

2. a field of a database entry, for instance version or format*, according to which
the output will be sorted. Information in an unstripped database (see the
option --no-strip above) is nested: Subfields of a record can be addressed using
the -> separator, e. g. file->location, style->units_per_em, or
names->sanitized->english->prefmodifiers. NB: shell syntax requires that
arguments containing -> be properly quoted!

3. an expression of the form field:value to limit the output to entries whose field
matches value.

For example, in order to output file names and corresponding versions, sorted by
the font format:

./luaotfload-tool.lua --list="format" --fields="file->base,version"

This prints:

otf latinmodern-math.otf Version 1.958
otf lmromancaps10-oblique.otf 2.004
otf lmmono8-regular.otf 2.004
otf lmmonoproplt10-bold.otf 2.004
otf lmsans10-oblique.otf 2.004
otf lmromanslant8-regular.otf 2.004
otf lmroman12-italic.otf 2.004
otf lmsansdemicond10-oblique.otf 2.004
...

--fields=FIELDS
Comma-separated list of fields that should be printed. Information in an
unstripped database (see the option --no-strip above) is nested: Subfields of a
record can be addressed using the -> separator, e. g. file->location,
style->units_per_em, or names->sanitized->english->subfamily. The default is
plainname,version*. (Only meaningful with --list.)

font and lookup caches
--flush-lookups
Clear font name lookup cache (experimental).

--cache=DIRECTIVE
Cache control, where DIRECTIVE is one of the following:

1. purge -> delete Lua files from cache;

2. erase -> delete Lua and Luc files from cache;

3. show -> print stats.

debugging methods
--show-blacklist, -b
Show blacklisted files (not directories).

--dry-run, -D
Don’t load fonts when updating the database; scan directories only. (For debugging
file system related issues.)

--no-strip
Do not strip redundant information after building the database. Warning: this will
inflate the index to about two to three times the normal size.

--max-fonts=N
Process at most N font files, including fonts already indexed in the count.

--bisect=DIRECTIVE
Bisection of the font database. This mode is intended as assistance in debugging
the Luatex engine, especially when tracking memleaks or buggy fonts.

DIRECTIVE can be one of the following:

1. run -> Make luaotfload-tool respect the bisection progress when running.
Combined with --update and possibly --force this will only process the files
from the start up until the pivot and ignore the rest.

2. start -> Start bisection: create a bisection state file and initialize the low,
high, and pivot indices.

3. stop -> Terminate the current bisection session by deleting the state file.

4. good | bad -> Mark the section processed last as “good” or “bad”, respectively.
The next bisection step will continue with the bad section.

5. status -> Print status information about the current bisection session. Hint:
Use with higher verbosity settings for more output.

A bisection session is initiated by issuing the start directive. This sets the
pivot to the middle of the list of available font files. Now run luaotfload-tool
with the --update flag set as well as --bisect=run: only the fonts up to the pivot
will be considered. If that task exhibited the issue you are tracking, then tell
Luaotfload using --bisect=bad. The next step of --bisect=run will continue
bisection with the part of the files below the pivot. Likewise, issue
--bisect=good in order to continue with the fonts above the pivot, assuming the
tested part of the list did not trigger the bug.

Once the culprit font is tracked down, good or bad will have no effect anymore. run
will always end up processing the single font file that was left. Use
--bisect=stop to clear the bisection state.

miscellaneous
--verbose=N, -v
Set verbosity level to n or the number of repetitions of -v.

--quiet
No verbose output (log level set to zero).

--log=CHANNEL
Redirect log output (for database troubleshooting), where CHANNEL can be

1. stdout -> all output will be dumped to the terminal (default); or

2. file -> write to a file to the temporary directory (the name will be chosen
automatically.

--version, -V
Show version numbers of components as well as some basic information and exit.

--help, -h
Show help message and exit.

--diagnose=CHECK
Run the diagnostic procedure CHECK. Available procedures are:

1. files -> check Luaotfload files for modifications;

2. permissions -> check permissions of cache directories and files;

3.

environment -> print relevant
environment and kpse variables;

4. repository -> check the git repository for new releases,

5. index -> check database, display information about it.

Procedures can be chained by concatenating with commas, e.g.
--diagnose=files,permissions. Specify thorough to run all checks.

--conf=FILE
Read the configuration from FILE. See luaotfload.conf(%) for documentation
concerning the format and available options.

--dumpconf
Print the currently active configuration; the output can be saved to a file and
used for bootstrapping a custom configuration files.

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