- Scilab help
- Scilab
- Scilab keywords
- TMPDIR
- abort
- add_demo
- argn
- banner
- boolean
- break
- clear
- clearfun
- clearglobal
- comp
- continue
- debug
- delbpt
- dispbpt
- edit
- errcatch
- errclear
- error
- error_table
- exists
- exit
- external
- extraction
- format
- funcprot
- funptr
- getdebuginfo
- getmd5
- getmemory
- getmodules
- getos
- getscilabmode
- getshell
- getvariablesonstack
- getversion
- gstacksize
- ieee
- insertion
- intppty
- inv_coeff
- iserror
- isglobal
- lasterror
- macr2lst
- macr2tree
- matrices
- matrix
- mode
- mtlb_mode
- names
- newfun
- null
- pause
- perl
- poly
- predef
- quit
- rational
- readgateway
- resume
- sciargs
- scilab
- setbpt
- stacksize
- startup
- symbols
- testmatrix
- type
- typename
- user
- varn
- ver
- warning
- what
- where
- whereami
- who
- who_user
- whos
- with_atlas
- with_javasci
- with_macros_source
- with_module
- with_pvm
- with_texmacs
- with_tk
Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function
scilab
Main script to start Scilab and miscellaneous tools (GNU/Linux, Unix and Mac OS X)
Calling Sequence
scilab <Options> scilab-adv-cli <Options> scilab-cli <Options>
Description
- -args Arguments
If this option is present, arguments are passed to Scilab. They can then be got by sciargs function. For multi arguments passing use a quoted, blank separated sequence of words like:
scilab -args 'foo1 foo2'
. Without this option, unknown arguments will not be accepted.- -display Display
For use under Xwindow systems only to set a specific X server display. Default display is unix:0.0
-display
can be abbreviated by-d
- -debug
Start Scilab under the debugguer gdb (Unix/Linux/Mac OS X only).
Define the variable SCILAB_GDB_OPT to add custom options to gdb.
Advise: use this option on a Scilab source tree.
- -debug-kdbg
Start Scilab under kdbg (Unix/Linux/Mac OS X only).
Advise: use this option on a Scilab source tree.
- -profiling
Start Scilab under valgrind (Unix/Linux/Mac OS X only).
Define the variable SCILAB_VALGRIND_OPT to add custom options to valgrind (and override the existing valgrind options).
Advise: use this option on a Scilab source tree.
- -profiling-visu
Start Scilab under callgrind (Unix/Linux/Mac OS X only).
Define the variable SCILAB_VALGRIND_OPT to add custom options to callgrind (and override the existing callgrind options).
Advise: use this option on a Scilab source tree.
- -electric-fence
Start Scilab with the Electric Fence (Unix/Linux/Mac OS X only).
Advise: use this option on a Scilab source tree.
- -e Instruction
If this option is present then Scilab instruction
Instruction
is executed first (just after startup file execution) into Scilab.-e
and-f
options are mutually exclusive.Note that several instructions can be used in with -e.
scilab-cli -e "a=1+%i; aPlusPi=a+%pi; disp(aPlusPi);exit;" -nb
- -f file
If this option is present then Scilab script
file
is executed first (just after startup file execution) into Scilab.-e
and-f
options are mutually exclusive.- -l lang
If this option is present it fixes the user language. lang can be: ca_ES de_DE en_US es_ES fr_FR ja_JP pt_BR ru_RU zh_CN zh_TW (from Scilab 5.2).
Other possible
lang
values are'fr'
for french and'en'
for english for compatibility reasons. The default language is english. This default value is fixed thescilab.start
file.On some systems, locales must be compiled to render correctly UTF-8 fonts.
Scilab can be also called the following way:
LANG=ja_JP scilab # equivalent to scilab -l ja_JP
- -mem N
Set the initial stacksize, for use with -ns option. Without -ns option the initial stacksize is set by scilab.start script.
- -nb
If this option is present then the scilab welcome banner is not displayed.
- -ns
If this option is present the startup file
SCI/etc/scilab.start
and the user startup filesSCIHOME/.scilab
,SCIHOME/scilab.ini
are not executed.This option will disable many features in Scilab (Only use if you know what you are doing).
- -nouserstartup
If this option is present the user startup files
SCIHOME/.scilab
,SCIHOME/scilab.ini
are not executed.- -nw
If this option is present, Scilab is started as command line with advanced features (graphics...).
This option may be used with -f or -e options.
From Scilab 5.2:
Scilab distribution also provides a dedicated binary which is doing the same as -nw: scilab-adv-cli (Scilab Advanced Command Line Interpreter).
pipes are enabled for all operating systems (see the examples for further details).
- -nwni / -nogui
If this option is present, Scilab is started as command line without advanced features.
This option may be used with -f or -e options.
From Scilab 5.2:
Scilab distribution also provides a dedicated binary which is doing the same as -nwni: scilab-cli (Scilab Command Line Interpreter).
pipes are enabled for all operating systems (see the examples for further details).
This mode does not load the Java Virtual Machine (faster to start and uses less memory)
- --texmacs
This option is reserved for TeXMacs.
- -version
This option prints product version and exits.
Java Virtual Machine options
Starting from Scilab 5.0, the graphical user interface (GUI) and the build documentation are based on Java features. In some cases, it can be important to edit the JVM options (Java Virtual Machine).
These options are available in the jvm_options.xml file.
In version 5.0.X and 5.1.X, this file is stored as SCI/modules/jvm/etc/jvm_options.xml
In version >= 5.2.0, the file is available in etc/jvm_options.xml
By default, the three following options are easily accessible in the configuration file:
- -XmxXXXm
This option set the amount of memory available by the Java Virtual Machine. By default, 256M are allocated. If you change this value, check that the value does not exceed the memory available on the system.
- -Djava.compiler=JIT
This option with the argument JIT enables the Java Just In Time compiler. It is activated by default. NONE disables the JIT and decreases dramatically performances.
- -verbose:jni / -Xcheck:jni
These options enable more checks and output from the JNI calls. These options are usefull in case of debugging and are disabled by default since they decreases performances.
Many more options are available. They can improve the performances, change look and feel, change memory managements... See: http://java.sun.com/javase/technologies/hotspot/vmoptions.jsp or http://blogs.sun.com/watt/resource/jvm-options-list.html
Examples
# Let's start Scilab in profiling mode without attaching a gdb one a SIGSEGV is meet. # We are under Bash shell export SCILAB_VALGRIND_OPT="--deb-attach=no --log-file=myfile.txt" scilab -profiling # Let's start Scilab in debug mode without stopping after each SIGSEGV # First, we write a small command file echo "handle SIGSEGV nostop" &> debug.txt # Now set the custom option # We are under Bash shell export SCILAB_GDB_OPT="--command=debug.txt" # Start Scilab in debug mode scilab -debug
See Also
- exit — Ends the current Scilab session
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