+@c PSPP - a program for statistical analysis.
+@c Copyright (C) 2017 Free Software Foundation, Inc.
+@c Permission is granted to copy, distribute and/or modify this document
+@c under the terms of the GNU Free Documentation License, Version 1.3
+@c or any later version published by the Free Software Foundation;
+@c with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
+@c A copy of the license is included in the section entitled "GNU
+@c Free Documentation License".
+@c
@node Utilities
@chapter Utilities
* HOST:: Temporarily return to the operating system.
* INCLUDE:: Include a file within the current one.
* INSERT:: Insert a file within the current one.
+* OUTPUT:: Modify the appearance of the output.
* PERMISSIONS:: Change permissions on a file.
* PRESERVE and RESTORE:: Saving settings and restoring them later.
* SET:: Adjust @pspp{} runtime parameters.
@end menu
@node ADD DOCUMENT
-@comment node-name, next, previous, up
@section ADD DOCUMENT
@vindex ADD DOCUMENT
DOCUMENTS}. They can be removed from the active dataset with @cmd{DROP
DOCUMENTS}.
-Specify the @var{documentary text} following the DOCUMENT keyword.
+Specify the @var{documentary text} following the @subcmd{DOCUMENT} keyword.
It is interpreted literally --- any quotes or other punctuation marks
will be included in the file.
You can extend the documentary text over as many lines as necessary.
Use @cmd{ECHO} to write arbitrary text to the output stream. The text should be enclosed in quotation marks following the normal rules for string tokens (@pxref{Tokens}).
@node ERASE
-@comment node-name, next, previous, up
@section ERASE
@vindex ERASE
@display
-ERASE FILE file_name.
+ERASE FILE @var{file_name}.
@end display
@cmd{ERASE FILE} deletes a file from the local filesystem.
-file_name must be quoted.
-This command cannot be used if the SAFER setting is active.
+@var{file_name} must be quoted.
+This command cannot be used if the SAFER (@pxref{SET}) setting is active.
@node EXECUTE
@vindex FILE LABEL
@display
-FILE LABEL file_label.
+FILE LABEL @var{file_label}.
@end display
@cmd{FILE LABEL} provides a title for the active dataset. This
title will be saved into system files and portable files that are
created during this @pspp{} run.
-file_label need not be quoted. If quotes are
-included, they become part of the file label.
+@var{file_label} should not be quoted.
+If quotes are included, they are literally interpreted and become part of the file label.
@node FINISH
@section FINISH
control to the operating system.
@node HOST
-@comment node-name, next, previous, up
@section HOST
@vindex HOST
@display
HOST.
-HOST COMMAND=['command'...].
+HOST COMMAND=['@var{command}'...].
@end display
@cmd{HOST} suspends the current @pspp{} session and temporarily returns control
to the operating system.
-This command cannot be used if the SAFER setting is active.
+This command cannot be used if the SAFER (@pxref{SET}) setting is active.
-If the COMMAND subcommand is specified, as a sequence of shell
+If the @subcmd{COMMAND} subcommand is specified, as a sequence of shell
commands as quoted strings within square brackets, then @pspp{} executes
them together in a single subshell.
@vindex INCLUDE
@display
- INCLUDE [FILE=]'file-name' [ENCODING='encoding'].
+ INCLUDE [FILE=]'@var{file_name}' [ENCODING='@var{encoding}'].
@end display
@cmd{INCLUDE} causes the @pspp{} command processor to read an
memory.
The @cmd{INSERT} command (@pxref{INSERT}) is a more flexible
-alternative to @cmd{INCLUDE}. An INCLUDE command acts the same as
-INSERT with ERROR=STOP CD=NO SYNTAX=BATCH specified.
+alternative to @cmd{INCLUDE}. An @cmd{INCLUDE} command acts the same as
+@cmd{INSERT} with @subcmd{ERROR=STOP CD=NO SYNTAX=BATCH} specified.
-The optional ENCODING subcommand has the same meaning as on INSERT.
+The optional @subcmd{ENCODING} subcommand has the same meaning as with @cmd{INSERT}.
@node INSERT
@section INSERT
@vindex INSERT
@display
- INSERT [FILE=]'file-name'
+ INSERT [FILE=]'@var{file_name}'
[CD=@{NO,YES@}]
[ERROR=@{CONTINUE,STOP@}]
[SYNTAX=@{BATCH,INTERACTIVE@}]
- [ENCODING='encoding'].
+ [ENCODING=@{LOCALE, '@var{charset_name}'@}].
@end display
@cmd{INSERT} is similar to @cmd{INCLUDE} (@pxref{INCLUDE})
It causes the command processor to read a file as if it were embedded in the
current command file.
-If @samp{CD=YES} is specified, then before including the file, the
+If @subcmd{CD=YES} is specified, then before including the file, the
current directory will be changed to the directory of the included
file.
The default setting is @samp{CD=NO}.
It will not revert to its original setting even after the included
file is finished processing.
-If @samp{ERROR=STOP} is specified, errors encountered in the
+If @subcmd{ERROR=STOP} is specified, errors encountered in the
inserted file will cause processing to immediately cease.
Otherwise processing will continue at the next command.
-The default setting is @samp{ERROR=CONTINUE}.
+The default setting is @subcmd{ERROR=CONTINUE}.
-If @samp{SYNTAX=INTERACTIVE} is specified then the syntax contained in
+If @subcmd{SYNTAX=INTERACTIVE} is specified then the syntax contained in
the included file must conform to interactive syntax
conventions. @xref{Syntax Variants}.
-The default setting is @samp{SYNTAX=BATCH}.
+The default setting is @subcmd{SYNTAX=BATCH}.
-ENCODING optionally specifies the character set used by the included
+@subcmd{ENCODING} optionally specifies the character set used by the included
file. Its argument, which is not case-sensitive, must be in one of
the following forms:
@table @asis
-@item @code{Locale}
-The encoding used by the system locale, or as overridden by the SET
-LOCALE command (@pxref{SET}). On Unix systems, environment variables,
-e.g.@: @env{LANG} or @env{LC_ALL}, determine the system locale.
-
-@item IANA character set name
-One of the character set names listed by IANA at
+@item @subcmd{LOCALE}
+The encoding used by the system locale, or as overridden by the
+@cmd{SET} command (@pxref{SET}). On GNU/Linux and other Unix-like systems,
+environment variables, e.g.@: @env{LANG} or @env{LC_ALL}, determine the
+system locale.
+
+@item @var{charset_name}
+One of the character set names listed by @acronym{IANA} at
@uref{http://www.iana.org/assignments/character-sets}. Some examples
are @code{ASCII} (United States), @code{ISO-8859-1} (western Europe),
@code{EUC-JP} (Japan), and @code{windows-1252} (Windows). Not all
@item @code{Auto,@var{encoding}}
Automatically detects whether a syntax file is encoded in an Unicode
encoding such as UTF-8, UTF-16, or UTF-32. If it is not, then @pspp{}
-generally assumes that the file is encoded in @var{encoding} (an IANA
+generally assumes that the file is encoded in @var{encoding} (an @acronym{IANA}
character set name). However, if @var{encoding} is UTF-8, and the
syntax file is not valid UTF-8, @pspp{} instead assumes that the file
is encoded in @code{windows-1252}.
-For best results, @var{encoding} should be an ASCII-compatible
-encoding (the most common locale encodings are all ASCII-compatible),
-because encodings that are not ASCII compatible cannot be
+For best results, @var{encoding} should be an @acronym{ASCII}-compatible
+encoding (the most common locale encodings are all @acronym{ASCII}-compatible),
+because encodings that are not @acronym{ASCII} compatible cannot be
automatically distinguished from UTF-8.
@item @code{Auto}
@item @code{Auto,Locale}
Automatic detection, as above, with the default encoding taken from
-the system locale or the setting on SET LOCALE.
+the system locale or the setting on @subcmd{SET LOCALE}.
@end table
When ENCODING is not specified, the default is taken from the
@option{--syntax-encoding} command option, if it was specified, and
otherwise it is @code{Auto}.
+@node OUTPUT
+@section OUTPUT
+@vindex OUTPUT
+@cindex precision, of output
+@cindex decimal places
+
+@display
+OUTPUT MODIFY
+ /SELECT TABLES
+ /TABLECELLS SELECT = [ @{SIGNIFICANCE, COUNT@} ]
+ FORMAT = @var{fmt_spec}.
+@end display
+@note{In the above synopsis the characters @samp{[} and @samp{]} are literals.
+They must appear in the syntax to be interpreted.}
+
+@cmd{OUTPUT} changes the appearance of the tables in which results are printed.
+In particular, it can be used to set the format and precision to which results are displayed.
+
+After running this command, the default table appearance parameters will have been modified and each
+new output table generated will use the new parameters.
+
+Following @code{/TABLECELLS SELECT =} a list of cell classes must appear, enclosed in square
+brackets. This list determines the classes of values should be selected for modification.
+Each class can be:
+
+@table @asis
+@item SIGNIFICANCE
+Significance of tests (p-values).
+
+@item COUNT
+Counts or sums of weights.
+@end table
+
+The value of @var{fmt_spec} must be a valid output format (@pxref{Input and Output Formats}).
+Note that not all possible formats are meaningful for all classes.
+
@node PERMISSIONS
@section PERMISSIONS
@vindex PERMISSIONS
@display
PERMISSIONS
- FILE='file-name'
+ FILE='@var{file_name}'
/PERMISSIONS = @{READONLY,WRITEABLE@}.
@end display
@cmd{PERMISSIONS} changes the permissions of a file.
There is one mandatory subcommand which specifies the permissions to
which the file should be changed.
-If you set a file's permission to READONLY, then the file will become
+If you set a file's permission to @subcmd{READONLY}, then the file will become
unwritable either by you or anyone else on the system.
-If you set the permission to WRITEABLE, then the file will become
+If you set the permission to @subcmd{WRITEABLE}, then the file will become
writeable by you; the permissions afforded to others will be
unchanged.
-This command cannot be used if the SAFER setting is active.
+This command cannot be used if the @subcmd{SAFER} (@pxref{SET}) setting is active.
@node PRESERVE and RESTORE
(data input)
/BLANKS=@{SYSMIS,'.',number@}
/DECIMAL=@{DOT,COMMA@}
- /FORMAT=fmt_spec
- /EPOCH=@{AUTOMATIC,year@}
+ /FORMAT=@var{fmt_spec}
+ /EPOCH=@{AUTOMATIC,@var{year}@}
/RIB=@{NATIVE,MSBFIRST,LSBFIRST,VAX@}
/RRB=@{NATIVE,ISL,ISB,IDL,IDB,VF,VD,VG,ZS,ZL@}
(interaction)
- /MXERRS=max_errs
- /MXWARNS=max_warnings
- /WORKSPACE=workspace_size
+ /MXERRS=@var{max_errs}
+ /MXWARNS=@var{max_warnings}
+ /WORKSPACE=@var{workspace_size}
(syntax execution)
- /LOCALE='locale'
+ /LOCALE='@var{locale}'
/MEXPAND=@{ON,OFF@}
- /MITERATE=max_iterations
- /MNEST=max_nest
+ /MITERATE=@var{max_iterations}
+ /MNEST=@var{max_nest}
/MPRINT=@{ON,OFF@}
- /MXLOOPS=max_loops
- /SEED=@{RANDOM,seed_value@}
+ /MXLOOPS=@var{max_loops}
+ /SEED=@{RANDOM,@var{seed_value}@}
/UNDEFINED=@{WARN,NOWARN@}
+ /FUZZBITS=@var{fuzzbits}
(data output)
- /CC@{A,B,C,D,E@}=@{'npre,pre,suf,nsuf','npre.pre.suf.nsuf'@}
+ /CC@{A,B,C,D,E@}=@{'@var{npre},@var{pre},@var{suf},@var{nsuf}','@var{npre}.@var{pre}.@var{suf}.@var{nsuf}'@}
/DECIMAL=@{DOT,COMMA@}
- /FORMAT=fmt_spec
+ /FORMAT=@var{fmt_spec}
/WIB=@{NATIVE,MSBFIRST,LSBFIRST,VAX@}
/WRB=@{NATIVE,ISL,ISB,IDL,IDB,VF,VD,VG,ZS,ZL@}
(output driver options)
/HEADERS=@{NO,YES,BLANK@}
- /LENGTH=@{NONE,length_in_lines@}
+ /LENGTH=@{NONE,@var{n_lines}@}
/MORE=@{ON,OFF@}
- /WIDTH=@{NARROW,WIDTH,n_characters@}
+ /WIDTH=@{NARROW,WIDTH,@var{n_characters}@}
/TNUMBERS=@{VALUES,LABELS,BOTH@}
+ /TVARS=@{NAMES,LABELS,BOTH@}
(logging)
- /JOURNAL=@{ON,OFF@} ['file-name']
+ /JOURNAL=@{ON,OFF@} ['@var{file_name}']
(system files)
/COMPRESSION=@{ON,OFF@}
(miscellaneous)
/SAFER=ON
- /LOCALE='string'
+ /LOCALE='@var{string}'
(obsolete settings accepted for compatibility, but ignored)
- /BOXSTRING=@{'xxx','xxxxxxxxxxx'@}
+ /BOXSTRING=@{'@var{xxx}','@var{xxxxxxxxxxx}'@}
/CASE=@{UPPER,UPLOW@}
/CPI=cpi_value
/HIGHRES=@{ON,OFF@}
- /HISTOGRAM='c'
+ /HISTOGRAM='@var{c}'
/LOWRES=@{AUTO,ON,OFF@}
- /LPI=lpi_value
+ /LPI=@var{lpi_value}
/MENUS=@{STANDARD,EXTENDED@}
- /MXMEMORY=max_memory
+ /MXMEMORY=@var{max_memory}
/SCRIPTTAB='c'
- /TB1=@{'xxx','xxxxxxxxxxx'@}
- /TBFONTS='string'
+ /TB1=@{'@var{xxx}','@var{xxxxxxxxxxx}'@}
+ /TBFONTS='@var{string}'
/XSORT=@{YES,NO@}
@end display
@pspp{}'s execution. Since there are many subcommands to this command, its
subcommands will be examined in groups.
-On subcommands that take boolean values, ON and YES are synonym, and
-as are OFF and NO, when used as subcommand values.
+For subcommands that take boolean values, @subcmd{ON} and @subcmd{YES} are synonymous,
+as are @subcmd{OFF} and @subcmd{NO}, when used as subcommand values.
The data input subcommands affect the way that data is read from data
files. The data input subcommands are
@item DECIMAL
@anchor{SET DECIMAL}
-This value may be set to DOT or COMMA.
-Setting it to DOT causes the decimal point character to be
+This value may be set to @subcmd{DOT} or @subcmd{COMMA}.
+Setting it to @subcmd{DOT} causes the decimal point character to be
@samp{.} and the grouping character to be @samp{,}.
-Setting it to COMMA
+Setting it to @subcmd{COMMA}
causes the decimal point character to be @samp{,} and the grouping
character to be @samp{.}.
+If the setting is @subcmd{COMMA}, then @samp{,} will not be treated
+as a field separator in the @cmd{DATA LIST} command (@pxref{DATA LIST}).
The default value is determined from the system locale.
@item FORMAT
data file or used in a date construction expression (@pxref{Date
Construction}). If a 4-digit year is specified for the epoch, then
2-digit years are interpreted starting from that year, known as the
-epoch. If AUTOMATIC (the default) is specified, then the epoch begins
+epoch. If @subcmd{AUTOMATIC} (the default) is specified, then the epoch begins
69 years before the current date.
@item RIB
@pspp{} extension to set the byte ordering (endianness) used for reading
data in IB or PIB format (@pxref{Binary and Hexadecimal Numeric
-Formats}). In MSBFIRST ordering, the most-significant byte appears at
-the left end of a IB or PIB field. In LSBFIRST ordering, the
-least-significant byte appears at the left end. VAX ordering is like
-MSBFIRST, except that each pair of bytes is in reverse order. NATIVE,
-the default, is equivalent to MSBFIRST or LSBFIRST depending on the
+Formats}). In @subcmd{MSBFIRST} ordering, the most-significant byte appears at
+the left end of a IB or PIB field. In @subcmd{LSBFIRST} ordering, the
+least-significant byte appears at the left end. @subcmd{VAX} ordering is like
+@subcmd{MSBFIRST}, except that each pair of bytes is in reverse order. @subcmd{NATIVE},
+the default, is equivalent to @subcmd{MSBFIRST} or @subcmd{LSBFIRST} depending on the
native format of the machine running @pspp{}.
@item RRB
@item LOCALE
Overrides the system locale for the purpose of reading and writing
syntax and data files. The argument should be a locale name in the
-general form @code{language_country.encoding}, where @code{language}
-and @code{country} are 2-character language and country abbreviations,
-respectively, and @code{encoding} is an IANA character set name.
+general form @code{@var{language}_@var{country}.@var{encoding}}, where @var{language}
+and @var{country} are 2-character language and country abbreviations,
+respectively, and @var{encoding} is an @acronym{IANA} character set name.
Example locales are @code{en_US.UTF-8} (UTF-8 encoded English as
spoken in the United States) and @code{ja_JP.EUC-JP} (EUC-JP encoded
Japanese as spoken in Japan).
@item MXLOOPS
The maximum number of iterations for an uncontrolled loop (@pxref{LOOP}).
-The default MXLOOPS is 40.
+The default @var{max_loops} is 40.
@item SEED
The initial pseudo-random number seed. Set to a real number or to
@item UNDEFINED
Currently not used.
+@item FUZZBITS
+@anchor{SET FUZZBITS}
+The maximum number of bits of errors in the least-significant places
+to accept for rounding up a value that is almost halfway between two
+possibilities for rounding with the RND operator (@pxref{Miscellaneous
+Mathematics}). The default @var{fuzzbits} is 6.
+
@item WORKSPACE
-The maximum amount of memory that @pspp{} will use to store data being processed.
+The maximum amount of memory (in kilobytes) that @pspp{} will use to store data being processed.
If memory in excess of the workspace size is required, then @pspp{} will start
to use temporary files to store the data.
Setting a higher value will, in general, mean procedures will run faster,
details.
@item DECIMAL
-The default DOT setting causes the decimal point character to be
-@samp{.}. A setting of COMMA causes the decimal point character to be
+The default @subcmd{DOT} setting causes the decimal point character to be
+@samp{.}. A setting of @subcmd{COMMA} causes the decimal point character to be
@samp{,}.
@item FORMAT
@pspp{} extension to set the byte ordering (endianness) used for writing
data in IB or PIB format (@pxref{Binary and Hexadecimal Numeric
-Formats}). In MSBFIRST ordering, the most-significant byte appears at
-the left end of a IB or PIB field. In LSBFIRST ordering, the
-least-significant byte appears at the left end. VAX ordering is like
-MSBFIRST, except that each pair of bytes is in reverse order. NATIVE,
-the default, is equivalent to MSBFIRST or LSBFIRST depending on the
+Formats}). In @subcmd{MSBFIRST} ordering, the most-significant byte appears at
+the left end of a IB or PIB field. In @subcmd{LSBFIRST} ordering, the
+least-significant byte appears at the left end. @subcmd{VAX} ordering is like
+@subcmd{MSBFIRST}, except that each pair of bytes is in reverse order. @subcmd{NATIVE},
+the default, is equivalent to @subcmd{MSBFIRST} or @subcmd{LSBFIRST} depending on the
native format of the machine running @pspp{}.
@item WRB
@pspp{} extension to set the floating-point format used for writing data in
RB format (@pxref{Binary and Hexadecimal Numeric Formats}). The choices
-are the same as SET RIB. The default is NATIVE.
+are the same as @subcmd{SET RIB}. The default is @subcmd{NATIVE}.
@end table
In the @pspp{} text-based interface, the output routing subcommands
@table @asis
@item ERRORS
-Applies to error and warning messages. The default is BOTH.
+Applies to error and warning messages. The default is @subcmd{BOTH}.
@item MESSAGES
-Applies to notes. The default is BOTH.
+Applies to notes. The default is @subcmd{BOTH}.
@item PRINTBACK
Determines whether the syntax used for input is printed back as part
-of the output. The default is NONE.
+of the output. The default is @subcmd{NONE}.
@item RESULTS
Applies to everything not in one of the above categories, such as the
-results of statistical procedures. The default is BOTH.
+results of statistical procedures. The default is @subcmd{BOTH}.
@end table
These subcommands have no effect on output in the @pspp{} GUI
@itemx MORE
@itemx WIDTH
@itemx TNUMBERS
-The TNUMBERS option sets the way in which values are displayed in output tables.
-The valid settings are VALUES, LABELS and BOTH.
-If TNUMBERS is set to VALUES, then all values are displayed with their literal value
+The @subcmd{TNUMBERS} option sets the way in which values are displayed in output tables.
+The valid settings are @subcmd{VALUES}, @subcmd{LABELS} and @subcmd{BOTH}.
+If @subcmd{TNUMBERS} is set to @subcmd{VALUES}, then all values are displayed with their literal value
(which for a numeric value is a number and for a string value an alphanumeric string).
-If TNUMBERS is set to LABELS, then values are displayed using their assigned labels if any.
+If @subcmd{TNUMBERS} is set to @subcmd{LABELS}, then values are displayed using their assigned labels if any.
(@xref{VALUE LABELS}.)
If the a value has no label, then it will be displayed using its literal value.
-If TNUMBERS is set to BOTH, then values will be displayed with both their label
-(if any) and their literal value in parenthesis.
+If @subcmd{TNUMBERS} is set to @subcmd{BOTH}, then values will be displayed with both their label
+(if any) and their literal value in parentheses.
+@item TVARS
+The @subcmd{TVARS} option sets the way in which variables are displayed in output tables.
+The valid settings are @subcmd{NAMES}, @subcmd{LABELS} and @subcmd{BOTH}.
+If @subcmd{TVARS} is set to @subcmd{NAMES}, then all variables are displayed using their names.
+If @subcmd{TVARS} is set to @subcmd{LABELS}, then variables are displayed using their label if one
+has been set. If no label has been set, then the name will be used.
+(@xref{VARIABLE LABELS}.)
+If @subcmd{TVARS} is set to @subcmd{BOTH}, then variables will be displayed with both their label
+(if any) and their name in parentheses.
@end table
@cindex headers
@item JOURNAL
@itemx LOG
These subcommands, which are synonyms, control the journal. The
-default is ON, which causes commands entered interactively to be
+default is @subcmd{ON}, which causes commands entered interactively to be
written to the journal file. Commands included from syntax files that
are included interactively and error messages printed by @pspp{} are also
-written to the journal file, prefixed by @samp{>}. OFF disables use
+written to the journal file, prefixed by @samp{>}. @subcmd{OFF} disables use
of the journal.
The journal is named @file{pspp.jnl} by default. A different name may
@item SCOMPRESSION
Whether system files created by @cmd{SAVE} or @cmd{XSAVE} are
-compressed by default. The default is ON.
+compressed by default. The default is @subcmd{ON}.
@end table
Security subcommands affect the operations that commands are allowed to
@itemize @bullet
@item
-The ERASE command.
+The @cmd{ERASE} command.
@item
-The HOST command.
+The @cmd{HOST} command.
@item
-The PERMISSIONS command.
+The @cmd{PERMISSIONS} command.
@item
Pipes (file names beginning or ending with @samp{|}).
@end itemize
The following are all examples of acceptable syntax on common GNU/Linux
systems.
@example
-
SET LOCALE='iso-8859-1'.
SET LOCALE='ru_RU.cp1251'.
SET LOCALE='japanese'.
-
@end example
-Contrary to the intuition, this command does not affect any aspect
+Contrary to intuition, this command does not affect any aspect
of the system's locale.
@end table
@node SHOW
-@comment node-name, next, previous, up
@section SHOW
@vindex SHOW
[DIRECTORY]
[ENVIRONMENT]
[FORMAT]
+ [FUZZBITS]
[LENGTH]
[MXERRS]
[MXLOOPS]
[MXWARNS]
+ [N]
[SCOMPRESSION]
[TEMPDIR]
[UNDEFINED]
@cmd{SHOW} can be used to display the current state of @pspp{}'s execution
parameters. Parameters that can be changed using @cmd{SET}
(@pxref{SET}), can be examined using @cmd{SHOW} using the subcommand
-with the same name. @code{SHOW} supports the following additional
+with the same name. @cmd{SHOW} supports the following additional
subcommands:
-@table @code
-@item ALL
+@table @asis
+@item @subcmd{ALL}
Show all settings.
-@item CC
-Show all custom currency settings (CCA through CCE).
-@item DIRECTORY
+@item @subcmd{CC}
+Show all custom currency settings (@subcmd{CCA} through @subcmd{CCE}).
+@item @subcmd{DIRECTORY}
Shows the current working directory.
-@item ENVIRONMENT
+@item @subcmd{ENVIRONMENT}
Shows the operating system details.
-@item TEMPDIR
+@item @subcmd{N}
+Reports the number of cases in the active dataset. The reported number is not
+weighted. If no dataset is defined, then @samp{Unknown} will be reported.
+@item @subcmd{TEMPDIR}
Shows the path of the directory where temporary files will be stored.
-@item VERSION
+@item @subcmd{VERSION}
Shows the version of this installation of @pspp{}.
-@item WARRANTY
+@item @subcmd{WARRANTY}
Show details of the lack of warranty for @pspp{}.
-@item COPYING / LICENSE
+@item @subcmd{COPYING} / @subcmd{LICENSE}
Display the terms of @pspp{}'s copyright licence (@pxref{License}).
@end table
-Specifying @cmd{SHOW} without any subcommands is equivalent to SHOW ALL.
+Specifying @cmd{SHOW} without any subcommands is equivalent to @subcmd{SHOW ALL}.
@node SUBTITLE
@section SUBTITLE
@vindex SUBTITLE
@display
-SUBTITLE 'subtitle_string'.
+SUBTITLE '@var{subtitle_string}'.
or
-SUBTITLE subtitle_string.
+SUBTITLE @var{subtitle_string}.
@end display
@cmd{SUBTITLE} provides a subtitle to a particular @pspp{}
@vindex TITLE
@display
-TITLE 'title_string'.
+TITLE '@var{title_string}'.
or
-TITLE title_string.
+TITLE @var{title_string}.
@end display
@cmd{TITLE} provides a title to a particular @pspp{} run.