Guide, node Updating translation committishes..
@end ignore
-@c \version "2.12.0"
+@c \version "2.14.0"
@node Running lilypond
@item -e,--evaluate=@var{expr}
Evaluate the Scheme @var{expr} before parsing any @file{.ly} files.
-Multiple @code{-e} options may be given, they will be evaluated
+Multiple @option{-e} options may be given, they will be evaluated
sequentially.
The expression will be evaluated in the @code{guile-user} module, so
@table @samp
@item help
-Running @code{lilypond -dhelp} will print all of the @code{-d} options
+Running @code{lilypond -dhelp} will print all of the @option{-d} options
available.
@cindex paper-size, command line
Do not trust the @code{.ly} input.
When LilyPond formatting is available through a web server, either the
-@code{--safe} or the @code{--jail} option @b{MUST} be passed. The
-@code{--safe} option will prevent inline Scheme code from wreaking
+@option{--safe} or the @option{--jail} option @b{MUST} be passed. The
+@option{--safe} option will prevent inline Scheme code from wreaking
havoc, for example
@quotation
@end verbatim
@end quotation
-The @code{-dsafe} option works by evaluating in-line Scheme
+The @option{-dsafe} option works by evaluating in-line Scheme
expressions in a special safe module. This safe module is derived from
GUILE @file{safe-r5rs} module, but adds a number of functions of the
-LilyPond API. These functions are listed in @file{scm/@/safe@/-lily@/.scm}.
+LilyPond API. These functions are listed in @file{scm/safe-lily.scm}.
In addition, safe mode disallows @code{\include} directives and
disables the use of backslashes in @TeX{} strings.
In safe mode, it is not possible to import LilyPond variables
into Scheme.
-@code{-dsafe} does @emph{not} detect resource overuse. It is still possible to
+@option{-dsafe} does @emph{not} detect resource overuse. It is still possible to
make the program hang indefinitely, for example by feeding cyclic data
structures into the backend. Therefore, if using LilyPond on a
publicly accessible webserver, the process should be limited in both
CPU and memory usage.
The safe mode will prevent many useful LilyPond snippets from being
-compiled. The @code{--jail} is a more secure alternative, but
+compiled. The @option{--jail} is a more secure alternative, but
requires more work to set up.
@cindex output format, setting
for a dump of the raw, internal Scheme-based drawing commands.
@item null
- do not output a printed score; has the same effect as @code{-dno-print-pages}.
+ do not output a printed score; has the same effect as @option{-dno-print-pages}.
@end table
Example: @code{lilypond -dbackend=svg @var{filename}.ly}
The @code{ps}, @code{eps}, and @code{svg} backends support this
option.
+@item gui
+Runs silently and redirect all output to a log file.
+
+Note to Windows users: By default @code{lilypond.exe} outputs all
+progress information to the command window, @code{lilypond-windows.exe}
+does not and returns a prompt, with no progress information, immediately
+at the command line. The @option{-dgui} option can be used in this case
+to redirect output to a log file.
+
+
@item print-pages
-Generate the full pages, the default. @code{-dno-print-pages} is
-useful in combination with @code{-dpreview}.
+Generate the full pages, the default. @option{-dno-print-pages} is
+useful in combination with @option{-dpreview}.
@end table
@item -i,--init=@var{file}
Set init file to @var{file} (default: @file{init.ly}).
+@cindex loglevel
+@cindex output verbosity, setting
+
+@item -l,--loglevel=@var{LEVEL}
+Set the verbosity of the console output to @var{LEVEL}. Possible values are:
+@table @code
+@item NONE
+No output at all, not even error messages.
+
+@item ERROR
+Only error messages, no warnings or progress messages.
+
+@item WARN
+Warnings and error messages, no progress.
+
+@item BASIC_PROGRESS
+Basic progress messages (success), warnings and errors.
+
+@item PROGRESS
+All progress messages, warnings and errors.
+
+@item INFO (default)
+Progress messages, warnings, errors and further execution information.
+
+@item DEBUG
+All possible messages, including verbose debug output.
+@end table
+
+
@cindex folder, directing output to
@cindex output filename, setting
@item --png
Generate pictures of each page, in PNG format. This implies
-@code{--ps}. The resolution in DPI of the image may be set with
+@option{--ps}. The resolution in DPI of the image may be set with
@example
-dresolution=110
@end example
@cindex Portable Document Format (PDF) output
@item --pdf
-Generate PDF. This implies @code{--ps}.
+Generate PDF. This implies @option{--ps}.
@item -j,--jail=@var{user},@var{group},@var{jail},@var{dir}
Run @command{lilypond} in a chroot jail.
-The @code{--jail} option provides a more flexible alternative to
-@code{--safe} when LilyPond formatting is available through a web
+The @option{--jail} option provides a more flexible alternative to
+@option{--safe} when LilyPond formatting is available through a web
server or whenever LilyPond executes externally provided
sources.
-The @code{--jail} option works by changing the root of @command{lilypond} to
+The @option{--jail} option works by changing the root of @command{lilypond} to
@var{jail} just before starting the actual compilation process. The user
and group are then changed to match those provided, and the current
directory is changed to @var{dir}. This setup guarantees that it is not
possible (at least in theory) to escape from the jail. Note that for
-@code{--jail} to work @command{lilypond} must be run as root, which is usually
+@option{--jail} to work @command{lilypond} must be run as root, which is usually
accomplished in a safe way using @command{sudo}.
Setting up a jail is a slightly delicate matter, as we must be sure that
@item LANG
This selects the language for the warning messages.
+@item LILYPOND_LOGLEVEL
+The default loglevel. If LilyPond is called without an explicit loglevel (i.e.
+no @option{--loglevel} command line option), this value is used.
+
@item LILYPOND_GC_YIELD
-With this variable the memory footprint and performance can be
-adjusted. It is a percentage tunes memory management behavior. With
-higher values, the program uses more memory, with smaller values, it
-uses more CPU time. The default value is @code{70}.
+A variable, as a percentage, that tunes memory management
+behavior. A higher values means the program uses more memory, a
+smaller value means more CPU time is used. The default value is
+@code{70}.
@end table
@cindex call trace
@cindex Scheme error
Errors that occur while executing Scheme code are caught by the Scheme
-interpreter. If running with the verbose option (@code{-V} or
-@code{--verbose}) then a call trace of the offending
+interpreter. If running with the verbose option (@option{-V} or
+@option{--verbose}) then a call trace of the offending
function call is printed.
@item Programming error
@unnumberedsubsec Apparent error in @code{../ly/init.ly}
Various obscure error messages may appear about syntax errors in
-@code{../ly/init.ly} if the input file is not correctly formed,
+@file{../ly/init.ly} if the input file is not correctly formed,
for example, if it does not contain correctly
matched braces or quote signs.
this separation the brace is taken to be part of the syllable. It
is always advisable to ensure there is white space before and after
@emph{every} brace. For the importance of this when using lyrics,
-see @ruser{Lyrics explained}.
+see @ruser{Entering lyrics}.
This error message can also appear if a terminating quote sign,
(@code{"}), is omitted. In this case an accompanying error message
@noindent
at its start. For details, see @qq{Spacing of non-staff lines} in
-@ruser{Vertical spacing inside a system}.
+@ruser{Flexible vertical spacing within systems}.
projects / lilypond.git / blobdiff