1 PSPP NEWS -- history of user-visible changes.
2 Copyright (C) 1996-2000, 2008-2015 Free Software Foundation, Inc.
3 See the end for copying conditions.
5 Please send PSPP bug reports to bug-gnu-pspp@gnu.org.
9 * A Russian localisation has been contributed.
11 * The graphical user interface uses Gtk+ version 3 instead of version 2.
12 Accordingly, it has a somewhat different look and feel.
14 * The pspp-convert utility can now decrypt encrypted syntax files.
15 The encrypted syntax file format is unacceptably insecure, so to
16 discourage its use PSPP and PSPPIRE do not directly read or write
19 * Bug fixes, including the following notable ones:
21 - The correlation coefficient in the paired samples t-test
22 procedure is now correctly calculated when presented with
25 - The ESCAPE subcommand has been removed from GET DATA /TYPE=TXT.
26 For compatibility, the behavior that ESCAPE enabled is now the
27 default and only supported behavior.
29 Changes from 0.8.4 to 0.8.5:
31 * The FREQUENCIES and CROSSTABS commands can now generate barcharts.
33 * The FACTOR command can now perform PROMAX rotations.
35 * SPSS/PC+ system files are now supported on GET and other commands
36 that read SPSS system files. The pspp-convert program can now read
37 SPSS/PC+ system files. Writing the obsolete SPSS/PC+ system file
38 format is not supported.
40 * SYSFILE INFO can now read SPSS/PC+ system files and SPSS portable
43 * FREQUENCIES: A bug was fixed where an assertion failure occured
44 when an empty dataset was presented.
46 * The GRAPH command is now available. Initially it supports
47 scatterplots and histograms.
49 * The RND operator in expressions now supports additional operands
50 for rounding to values other than integers and to indicate a level
51 of rounding fuzz. The default rounding fuzz may now be controlled
52 and displayed with SET FUZZBITS and SHOW FUZZBITS, respectively.
54 Changes from 0.8.3 to 0.8.4:
56 * Formatting of SYSFILE INFO output was made easier to read.
58 * Bug fixes, including the following notable ones:
60 - FREQUENCIES works properly for string variables. (This bug was
63 - CROSSTABS now correctly computes all of the measures that it
64 offers. Some measures have been removed because they were not
67 - The NPAR TESTS calculation of significance for the RUNS
68 subcommand has been corrected.
70 - Planned comparisons in ONEWAY ANOVA now correctly handle negative
73 - The COUNT command now correctly treats missing values as
76 - Conformance fixes to Open Document output format.
78 Changes from 0.8.2 to 0.8.3:
80 * Independent T-Tests displayed the standard error of the difference
81 and the confidence interval for the unequal variances case, where
82 the equal variances case should have been. This has been fixed.
84 * REGRESSION now recognises /STATISTICS=CI(x) which causes confidence
85 intervals for the coefficients to be printed.
87 * When DESCRIPTIVES calculates Z scores, it now omits cases filtered
88 by the current FILTER settings.
90 * PSPPIRE graphical user interface improvements:
92 - Dialog boxes with source variable lists can now choose the sort
93 order; right click and select from the popup menu.
95 - File|Open now allows an encoding to be selected for opening
98 - File|Display Data File Information|External File... now allows an
99 encoding to be selected.
101 - A problem with the Means dialog has been resolved (bug #41433).
103 - Several problems related to the input of spreadsheets have been
104 fixed (bug #41657, #41620
106 * System file related improvements:
108 - With ENCODING="DETECT", SYSFILE INFO can now help the user to
109 pick an encoding for reading a system file that does not identify
112 - SYSFILE INFO now accepts an ENCODING subcommand to specify the
113 character encoding of string data in the system file.
115 - Variable labels over 255 bytes long are now accepted without
116 truncation (bug #41863).
118 - System files that contain duplicate variable names may now be
119 read successfully (bug #41475).
121 Changes from 0.8.1 to 0.8.2:
123 * Charts are now rendered with colours from the Tango palette instead
124 of fully saturated primaries.
126 * Support for new system file variants:
128 - PSPP can now read and write ZCOMPRESSED system files, which
129 compress data much more effectively than older "compressed"
130 files. (The older format is still supported.)
132 - PSPP can now decrypt encrypted system files, using the new
133 pspp-convert utility. The encrypted system file format is
134 unacceptably insecure, so to discourage its use PSPP and PSPPIRE
135 do not directly read or write this format.
137 * Missing values for long string variables are now read from and
138 written to system files in an SPSS-compatible fashion.
140 (Earlier versions of PSPP that supported missing values for long
141 string variables wrote them to system files in an SPSS-incompatible
142 way. To fix the problem, read the system file with this version of
143 PSPP and then save a new copy of it.)
145 * pspp-convert, a new standalone utility for converting SPSS system
146 and portable files to other formats, is now included. The initial
147 version supports comma-separated value files as output format.
148 pspp-convert can also decrypt encrypted system files.
152 - zlib is now a required dependency. (Previously it was optional.)
154 Changes from 0.8.0 to 0.8.1:
160 * Changes to existing commands:
162 - CROSSTABS: The requirement that one expected count must be less than five
163 before Fishers Exact Test will be reported has been removed.
165 * PSPPIRE graphical user interface improvements:
167 - A new set of icons has been contributed.
169 - Syntax windows now parse syntax in "auto" mode, which in practice
170 should mean that both "batch" and "interactive" syntax now works,
171 instead of just "interactive" syntax.
173 - The variable pane of data windows now include a Role column.
177 - System files written by IBM SPSS 21 are now read without warnings.
179 - System files written by "VOXCO INTERVIEWER 4.3" are now read
182 - PSPPIRE should now more gracefully handle syntax files that contain
185 Changes from 0.6.2 to 0.8.0:
191 - DATAFILE ATTRIBUTES
198 - LOGISTIC REGRESSION
202 - PRESERVE and RESTORE
206 - SAVE TRANSLATE to CSV and tab-delimited files
208 - VARIABLE ATTRIBUTES
210 * Changes to existing commands:
212 - AUTORECODE has a new GROUP subcommand.
214 - CROSSTABS has been re-implemented to fix numerous bugs.
216 - EXAMINE: /MISSING=LISTWISE is now the default.
218 - DO REPEAT command has been reimplemented. Now, when DO REPEAT
219 contains an INCLUDE or INSERT command, substitutions are not
220 applied to the included file.
222 - FILE HANDLE has a new ENDS subcommand to select CR or CRLF new-lines.
224 - HOST has been updated to use more modern syntax.
226 - Most commands that work with data files now support a new
229 - MISSING VALUES can now assign missing values to long string
232 - ONEWAY: the POSTHOC subcommand is now implemented.
234 - The following new subcommands to NPAR TESTS have been implemented:
235 COCHRAN, FRIEDMAN, JONCKHEERE-TERPSTRA, KENDALL, KRUSKAL-WALLIS, MANN-WHITNEY,
236 MCNEMAR, SIGN, WILCOXON, and RUNS
238 - SET and SHOW no longer have ENDCMD, NULLINE, PROMPT, CPROMPT, and
239 DPROMPT subcommands. The defaults are now fixed values.
241 - SHOW now has a JOURNAL subcommand, to show the location of the
244 - VALUE LABELS can now assign value labels to long string
247 * Other language changes:
249 - The new DATASET commands replace the "scratch file" PSPP
250 extension, which is no longer supported.
252 - Strings may now include arbitrary Unicode code points specified
253 in hexadecimal, using the syntax U'hhhh'. For example, Unicode
254 code point U+1D11E, the musical G clef character, may be
255 expressed as U'1D11E'.
257 See the "Tokens" section in the PSPP manual for more information.
259 - In previous versions of PSPP, in a string expressed in
260 hexadecimal with X'hh' syntax, the hexadecimal digits expressed
261 bytes in the locale encoding. In this version of PSPP, X'hh'
262 syntax always expresses bytes in UTF-8 encoding.
264 See the "Tokens" section in the PSPP manual for more information.
266 * PSPPIRE graphical user interface improvements:
268 - Added support for non-ASCII characters in strings, labels and
271 - A "Split Window" function is available, which makes it easier to
272 see different parts of a large data file.
274 - Data files can now be opened by specifing their name as the first
275 argument. This means that on a properly configured desktop, double
276 clicking on an icon will open the file.
278 - Foreign formats, such as Gnumeric, OpenDocument and CSV can be imported
279 via using an "intelligent" application assistant dialog.
283 - The new "cairo" output driver supports output in PostScript, PDF,
284 and SVG formats. Its functionality is a superset of that of the
285 "postscript" driver, which has been removed. You must have Cairo
286 and Pango installed to build the "cairo" driver.
288 - Charts are now produced with Cairo and Pango, instead of libplot.
289 Without them, the new graphing features will not work. If you do
290 not have Cairo and Pango installed, you must run `configure' with
293 - The plain text output driver now properly supports multibyte UTF-8
294 characters, including double-width characters and combining
297 - Output to OpenDocument format is now supported.
299 - The HTML output is much improved.
301 * The "pspp" program has a new option --batch (or -b) that selects
302 "batch" syntax mode. In previous versions of PSPP this syntax mode
303 was the default. Now a new "auto" syntax mode is the default. In
304 "auto" mode, PSPP interprets most syntax files correctly regardless
305 of their intended syntax mode.
307 See the "Syntax Variants" section in the PSPP manual for more
310 * The "pspp" program has a new option --syntax-encoding that
311 specifies the encoding for syntax files listed on the command line,
312 as well as the default encoding for syntax files included with
313 INCLUDE or INSERT. The default is to accept the system locale
314 encoding, UTF-8, UTF-16, or UTF-32, automatically detecting which
315 one the system file uses.
317 See the documentation for the INSERT command in the PSPP manual for
320 * Text data files that PRINT and WRITE creates now use the system
321 native line ends by default (CRLF on Windows, LF only elsewhere).
322 Use the new ENDS subcommand on FILE HANDLE to override the default.
324 * A new Perl module allows Perl programs to read and write PSPP
327 * A tutorial chapter has been added to the user manual.
329 Changes from 0.6.1 to 0.6.2:
333 - Dutch, thanks to Harry Thijssen.
335 - Brazilian Portuguese, thanks to Michel Boaventura.
337 Thanks for translations are also due to the coordinators at
338 translationproject.org.
340 * Statistical bug fixes:
342 - REGRESSION: Report correct standard error of the estimate (bug
345 - T-TEST: Report correct significance of paired sample T-test in
346 the common case (bug #26936) and corner cases. Thanks to Mike
347 Griffiths and Matej Cepl for reporting these bugs.
349 * Build fixes and changes:
351 - Fix build with GTK+ 2.17.4 and later.
353 - Make running "make" after running "configure" with different
354 settings reliably rebuild version.c.
356 - Cygwin and MinGW build fixes.
358 - Fixes for building with recent gnulib.
360 - The Makefile now honors two new variables, PSPP_LDFLAGS and
361 PSPPIRE_LDFLAGS, that affect linking of the PSPP and PSPPIRE
362 binaries, respectively. This makes building easier for some
365 - Fixes for "configure --enable-relocatable" (bug #25508).
367 * Data file bug fixes and changes:
369 - Fix reading text data files that contain a mix of white space
370 and commas. Now "a ,b" is treated as two fields containing "a"
371 and "b"; previously it was treated as three, with an empty field
374 - Fix writing corrupted .sav files on Windows.
376 - Fix writing variable labels longer than 252 bytes to save files.
377 Thanks to Robert Westlund for reporting this bug.
379 - Fix writing corrupted .por files (bug #26034).
381 - Fix reading .por files whose initial lines are not padded out
382 with spaces as expected.
384 - PSPP will no longer issue warnings about some .sav file records
385 or values that it does not understand. These warnings were
386 harmless, but needlessly alarmed some users.
388 - Fix crash reading empty string fields from PostgreSQL databases.
390 * Bug fixes that affect PSPP and PSPPIRE:
392 - Users may now control precision of output statistics. Instead
393 of hard coding the width and decimals of output numbers, respect
394 the default format in most instances. Counts are now normally
395 displayed with the format of the weight variable, if any.
397 - Fix crash when an INSERT command specifies the name of a file
398 that does not exist (bug #24569).
400 - Fix crash when CROSSTABS specifies a long-string variable (bugs
403 - Fix crash drawing pie charts with many segments.
405 - Fix crash when NUMERIC specifies an invalid format.
407 * PSPPIRE bug fixes and changes:
409 - On Windows, write the output file to the user's home directory
410 instead of the current directory, to better match user
413 - Some data editor fixes.
417 - Fix typo in BINOMIAL section of user manual (bug #25892).
419 Changes from 0.6.0 to 0.6.1:
421 * Statistical bug fixes:
423 - Report correct standardized regression coefficients in linear
424 regression output (bug #23567).
426 * Bug fixes that affect PSPP and PSPPIRE:
428 - Avoid crash with pie charts (bug #24014).
430 - Don't append % to count totals (bug #24003).
432 - Don't crash on bad input (bug #24031).
434 - Don't crash if "end data." is not left aligned (bug #24115).
436 - Change default workspace value to 64 MB, to avoid unnecessary
437 disk accesses on modern machines.
441 - Add ".sav" or ".por" suffix to filename when saving with Save_As
444 - Make it possible to reopen the output window on Windows (bug
447 - A POSIX regular expression library is now included and used
448 automatically if the host does not have one or has one that is
451 * Build fixes and changes:
453 - Work around bug in GSL that prevented build with recent GCC
454 versions without manually adding -fgnu89-inline to CFLAGS.
456 - Also warn about missing prerequisites as we encounter them (bug
459 - Distribute necessary files to allow users working from the
460 distributed tarball to configure with --enable-gui-tools.
462 - Append $(EXEEXT_FOR_BUILD) to output file name when building
463 q2c, fixing build problems on Windows.
465 - GSL 1.8 or later is now required.
467 - Build errors with --enable-relocatable were fixed.
469 * The German translations were removed, since native German speakers
470 found them too poor to be useful.
472 Changes from 0.4.0 to 0.6.0:
474 * The PSPP license is now version 3 or later of the GNU General
475 Public License. Previously, it was version 2 or later.
477 * PSPP now has a graphical interface, called PSPPIRE. This
478 interface allows you to enter data and variable definitions
479 interactively. Commands may be executed in syntax form, or by
480 using the interactive dialog boxes available from the dropdown
483 * A few sample syntax files are now included in the `examples'
486 * Numerous major and minor bugs have been fixed.
490 * The INSTALL file now reflects the details of how to install
491 PSPP. It is a tailored version of the generic installation
492 instructions, instead of a verbatim copy.
494 * iconv, which is ordinarily installed as part of a Unix-like
495 system, is now required. If you don't have it already, you can
496 install GNU libiconv (http://www.gnu.org/software/libiconv/).
498 * libxml2 and zlib are new optional dependencies. They are
499 required to use PSPP's support for reading Gnumeric files.
501 Statistical procedure changes:
503 * REGRESSION is a new procedure for fitting linear models to data
504 via least-squares estimation.
506 * NPAR TESTS is a new procedure for non-parametric tests. In this
507 release, it supports binomial and chi-square tests.
509 * RANK is a new procedure to rank variables. It supports numerous
512 * FREQUENCIES can now output histograms and pie charts. These
513 features were present in earlier releases, but not documented.
515 User interface changes:
517 * In many situations where PSPP once terminated with a fatal
518 error, PSPP now recovers and continues execution.
520 * PSPP is now able to start up and run even if it cannot find its
523 * Journaling of interactive commands to a disk file is now
524 implemented. By default, journaling is enabled, to a file named
525 `pspp.jnl' in the current directory. SET JOURNAL may be used to
528 * The use of `+' between syntax file names on the command line to
529 prevent the dictionary from being cleared between their
530 executions is no longer supported. All syntax files are now
531 executed as if `+' had been specified.
533 * The -d/--define and -u/--undef command line options are no
534 longer supported. Instead, use /usr/bin/env or shell primitives
535 to define or clear environment variables before invoking PSPP.
537 * If a syntax file named named `rc' is found in a configuration
538 directory (such as $HOME/.pspp), it is executed before any
539 syntax file specified on the command line. The -r or
540 --no-statrc command line option may be used to disable this
545 * Output configuration options have changed. Please refer to the
546 manual for a full description of the available options.
548 In consequence, you will need to reinstall your "devices" file.
549 "make install" will do this for you.
551 * Most error messages are now written to PSPP output files by
552 default. SET ERROR can be used to disable this behavior.
554 * When invoked interactively, PSPP now by default produces output
555 on the terminal, piping it through the "more" program.
556 Previously, by default output was written only to file
557 pspp.list. On most terminals, the page length used for output
558 automatically adapts to the terminal size, even if the terminal
563 - This driver now supports charts in output. Charts are written
564 as separate files that the main output file refers to. By
565 default, charts are written in PNG format to files named
566 pspp-1.png, pspp-2.png, and so on.
568 - Configurations are provided that use VT100 (and xterm)
569 line-drawing characters in tables. The option "-o list-vt100"
570 requests use of this device for output to pspp.list.
574 - The default paper size is now determined using the PAPERSIZE
575 environment variable, or the LC_PAPER locale category on
576 systems that support it. If these are not set, the default is
577 now A4, instead of US letter. To make US letter the default,
578 set PAPERSIZE to "letter" in your environment.
580 - Font metrics are now read from AFM files, instead of
581 Groff-format metrics files. PostScript fonts can now be
584 In consequence, you will need to install an AFM file for each
585 font used in PostScript output. "make install" will install
586 AFM files for the standard PostScript fonts, including the
587 ones that the PostScript driver uses by default.
589 - Standard paper sizes no longer need to be specified through a
590 configuration file. The "papersize" configuration file is no
591 longer needed, or supported.
593 - The PostScript prologue is no longer obtained from the
594 "ps-prologue" configuration file. This configuration file is
595 no longer needed, or supported.
599 - The HTML prologue is no longer obtained from the
600 "html-prologue" configuration file. This configuration file
601 is no longer needed, or supported.
603 Command language changes:
605 * The following commands are new:
607 - GET DATA, which currently supports reading Gnumeric files and
608 text data files. It will be extended later to read other
609 types of foreign data.
611 - CD, to change the current directory.
613 - INSERT, to execute a syntax file.
615 - DELETE VARIABLES, to remove variables from the active file
618 - ADD DOCUMENT, to add text to active file documents.
620 - CLOSE FILE HANDLE (a PSPP extension; see below).
622 - XEXPORT, a PSPP extension that is a transformation equivalent
625 * The following functions for transformation expressions are new:
627 - DATEDIFF, for computing the difference of two dates.
629 - DATESUM, for advancing a date by a specified duration.
631 - VALUELABEL, to obtain the value label for a value.
633 * PSPP now supports very long string variables (over 255 bytes
636 * MATCH FILES now supports the FIRST and LAST subcommands.
638 * Previous versions of PSPP prohibited using commands to both read and
639 write a single file at the same time. Now, PSPP allows this, and
640 the new version of the file atomically replaces the old version.
642 * The following commands are no longer available. They will be
643 re-implemented in a later release:
645 - CLEAR TRANSFORMATIONS
651 * The PROCESS IF command, which was deprecated, has been removed.
652 You may replace any usage of it by SELECT IF following
653 TEMPORARY, which has the same effect.
655 * The output format for variables created by VECTOR may now be
656 specified as part of the VECTOR syntax.
658 "Scratch files", a new PSPP extension:
660 A scratch file, like a system file, consists of a dictionary and
661 any number of cases. Small scratch files are stored in memory;
662 one that grows too large is written to disk. By default, any file
663 handle whose name begins with # is assumed to refer to a scratch
666 Scratch files can be used just about anywhere a system or portable
667 file can be used. Also, portable files are now allowed in most
668 places that system files were allowed in previous PSPP version.
670 A new CLOSE FILE HANDLE command allows the storage associated with
671 scratch files to be freed. It also allows file handles to be
672 reassigned to new files.
674 For more information on scratch files, refer to the "File Handles"
675 section in the PSPP manual. For specifics of what commands now
676 allow what kinds of files to be specified, refer to the
677 documentation on those particular commands.
681 * Binary formats and IBM/360 formats, including ASCII/EBCDIC
682 translation, are now supported. Use FILE HANDLE to specify the
683 format of these files.
685 * Little-endian, big-endian, and VAX-endian formats are now
686 supported for integer binary formats when reading and writing
687 data files. The new RIB and WIB subcommands on the SET command
688 control endianness of integer data. The default is the host's
691 * IEEE 754, VAX, and IBM hexadecimal formats are now supported for
692 floating point binary formats when reading and writing data
693 files. The new RRB and WRB subcommands on the SET command
694 control the floating point format. The default is the host's
695 native floating point format.
697 * DATA LIST now supports the SKIP subcommand, to skip records at
698 the beginning of a file. For compatibility, DATA LIST now
699 treats N format as F format for FREE and LIST format input.
701 * The SAVE and XSAVE commands now support the UNSELECTED,
702 PERMISSIONS, NAMES, and MAP subcommands.
704 * The EXPORT command has been re-implemented to obtain better
705 results. Support for the UNSELECTED, DIGITS, and TYPE
706 subcommands has been added.
708 * For compatibility, PRINT now inserts a space at the beginning of
709 every output line, even lines that would otherwise be blank,
710 when OUTFILE is specified. (The behavior of WRITE is
713 * For compatibility, PRINT EJECT now inserts the digit `1' at the
714 beginning of each line that should begin a new page.
716 * For compatibility, WRITE now outputs the system-missing value as
717 a field filled with spaces. Binary formats are an exception.
718 (The behavior of PRINT is unchanged.)
722 * Input and output format descriptions have been rewritten. They
723 now precisely describe what is accepted on input and written on
726 * The descriptions of the PSPP system and portable file formats
727 have been extensively revised and improved.
729 For developers, the build system now requires Autoconf 2.60 and
732 Changes from 0.3.0 to 0.4.0:
734 Changes in build dependencies:
736 * The GNU Scientific Library (libgsl), version 1.6 or later, is
739 * libplot from GNU plotutils is optional. Without it, the new
740 graphing features will not work. If you do not have it
741 installed, you must run `configure' with --without-libplot.
743 * libgmp2 is no longer a dependency.
745 Newly implemented commands and statistical features:
747 * EXAMINE, including its graphing features.
749 * FREQUENCIES now supports percentiles.
757 * SORT CASES now sorts stably, that is, two cases with equal sort
758 criteria will be in the same relative order before and after the
761 * T-TEST (re-written).
763 * DATE and USE. These commands are parsed but otherwise ignored,
764 to enhance compatibility with certain command files that invoke
767 * VARIABLE WIDTH, VARIABLE ALIGNMENT, and VARIABLE LEVEL. These
768 currently have no effect on PSPP output, but their values are
769 written to and read from system files and thus may affect
770 third-party software.
772 * SET EPOCH implemented.
774 * DATA LIST FREE and DATA LIST LIST now support arbitrary field
777 * FILE HANDLE now supports custom tab widths.
779 Long variable names (and other identifiers) are now supported. Up
780 to the first 64 bytes of each identifier is significant. PSPP now
781 reads and writes system files compatible with SPSS version 12.
783 New --algorithm and --syntax command line options allow
784 SPSS-compatible or enhanced modes to be selected.
786 Support for transformation expressions has been rewritten and
787 significantly improved. Refer to the manual for details.
789 Calculation of moments (mean, standard deviation, kurtosis,
790 skewness) has been rewritten and should now be more accurate. In
791 --algorithm=enhanced mode moments may be more accurate than SPSS in
794 Numerous bugs have been fixed, too many to mention here. Many new
795 tests have been added, leading to the discovery and fixing of many
798 The ASCII output driver can now squeeze multiple blank lines into
801 Much of the code has been rewritten and refactored. It is now much
804 The FILE TYPE and REPEATING DATA commands have been disabled for
805 this release because their implementations were deemed too buggy to
806 be useful. They will be fixed and replaced in a future release.
808 New pspp-mode for Emacs (in pspp-mode.el).
810 Added rudimentary command-line completion for interactive input.
812 lib/julcal and lib/dcdflib are no longer used, so they have been
815 For developers, the build system now requires Autoconf 2.58 and
816 Automake 1.7. The included gettext has been updated to version
819 Some reports state that Texinfo 4.8, the latest version, may be
820 necessary to successfully format the documentation on some systems.
822 Version 0.3.0 changes since 0.2.3:
826 * Using alphanumeric variables in functions under AGGREGATE
829 * Under certain circumstances, the final case would be omitted
830 from the results of an AGGREGATE operation. Fixed.
832 * Undefined behavior was invoked by referencing a freed pointer
833 under certain circumstances. Fixed.
835 * A wrong record size was displayed when paging the active file to
838 * Not having enough temporary space for sorting caused a core
841 * Syntax errors in function descriptions on AGGREGATE caused core
844 * A null pointer was dereferenced, causing a core dump, when
845 PERCENTILES was specified on FREQUENCIES. This fixes the
846 problem, but PSPP still doesn't calculate percentiles.
848 * SORT always sorted in ascending order. Fixed.
850 * Some minor memory leaks in the expression parser were removed.
852 * Many assertions fixed for strict ANSI C compliance.
856 * SET ECHO ON now implemented, but turned off by default.
858 * PRINT specifier supported on END REPEAT.
862 * System libgmp2 library is used if installed instead of
863 unconditionally using the included libgmp2 subset.
865 * Extensive code cleanup, which continues.
867 * Added CORRELATIONS command parser, but not implemented.
869 Version 0.2.3 changes since 0.2.2:
873 * SPLIT FILE with a string variable caused a core dump. Fixed.
875 * Nested INCLUDEs didn't work. Fixed.
877 * The MATCH FILES procedure set the values of variables not present
878 to 0. It should have been SYSMIS. This is now fixed.
880 * The REMARK command was too aggressive about skipping lines. It
881 didn't like being the last command in a file.
883 * Comment parsing wasn't consistent with the rest of the code in its
884 idea of where one command ends and another starts. This meant
885 that sometimes commands would be mysteriously ignored. Thanks to
886 Dr. Dirk Melcher <BZN-mdksh@t-online.de> for reporting this bug.
888 * The TABLE subcommand on MATCH FILES worked only erratically at
889 best. This fixes it. Thanks to Dr. Dirk Melcher
890 <BZN-mdksh@t-online.de> for reporting this bug.
892 * VARIABLE LABELS rejected a slash before the first variable
893 specification, contradicting the documentation. Thanks to Walter
894 M. Gray <graywm@northernc.on.ca> for reporting this bug.
896 * Because of an incorrect optimization in memory allocation,
897 CROSSTABS sometimes segfaulted when asked to output multiple
898 tables. Thanks to Walter M. Gray <graywm@northernc.on.ca> for
901 * CROSSTABS didn't display value labels for column and row
902 variables. Thanks to Walter M. Gray <graywm@northernc.on.ca> for
905 * WRITE didn't write line ends. Fixed. Thanks to Dr. Dirk Melcher
906 <BZN-mdksh@t-online.de> for reporting this bug.
908 * The TABLE subcommand on MATCH FILES worked only erratically at
909 best. This fixes it. Thanks to Dr. Dirk Melcher
910 <BZN-mdksh@t-online.de> for reporting this bug.
912 * VARIABLE LABELS rejected a slash before the first variable
913 specification, contradicting the documentation. Thanks to Walter
914 M. Gray <graywm@northernc.on.ca> for reporting this bug.
916 * Because of an incorrect optimization in memory allocation,
917 CROSSTABS sometimes segfaulted when asked to output multiple
918 tables. Thanks to Walter M. Gray <graywm@northernc.on.ca> for
921 * CROSSTABS didn't display value labels for column and row
922 variables. Thanks to Walter M. Gray <graywm@northernc.on.ca> for
925 * WRITE didn't write line ends. Fixed. Thanks to Dr. Dirk Melcher
926 <BZN-mdksh@t-online.de> for reporting this bug.
928 * MATCH FILES corrupted memory and dumped core on some syntax
931 * MATCH FILES should set numeric values not available to the
932 system-missing value, not to 0. Thanks to Dr. Dirk Melcher
933 <BZN-mdksh@t-online.de> for reporting this bug.
935 * KEEP didn't work properly on the SAVE procedure. Fixed. Thanks
936 to Ralf Geschke <ralf@kuerbis.org> for reporting this bug.
940 * Some systems didn't like the way open_file was coded. Thanks to
941 Hankin <hankin@rogue.consultco.com> for pointing this out.
943 * The SAVE procedure didn't save long string variables properly.
944 Fixed by this patch. Thanks to Hankin
945 <hankin@rogue.consultco.com> for this patch.
947 * Minor documentation fixes for MATCH FILES.
949 Version 0.2.2 changes since 0.2.1:
953 * Fix behavior of PRINT SPACE for negative arguments.
955 * Fix reading some unusual system files.
957 * Fix LIST problems with very long variables. Thanks to Hankin
958 <hankin@dunno.com> for this bug report.
960 * Fix problems with some string format specifiers.
962 * Fix use of $CASENUM in expressions. Thanks to Dirk Melcher
963 <BZN-mdksh@t-online.de> for reporting this bug.
965 * Additional DATA LIST FREE and DATA LIST LIST fixes. Thanks to
966 Hankin <hankin@dunno.com> again on this one.
968 * Sometimes you may encounter a PSPP script that has to be
969 interpreted in interactive mode. Now you can use the -i flag to
972 * Warnings for egcs 1.1.1 cleaned up. (However you'll get lots of
973 `unused variable' warnings under gcc 2.7.2.3, fixing this will
978 * The files in gmp need the internationalization directory in
979 their include path. Thanks to OKUJI Yoshinori
980 <okuji@kuicr.kyoto-u.ac.jp> for pointing this out.
982 Version 0.2.1 changes since 0.2.0:
986 * Remember to include examples/ directory in distribution :-)
988 * Fixed gmp compile problems for some non-i386 architectures.
989 Thanks to Hans Olav Eggestad <olav@jordforsk.nlh.no> and others
992 * DATA LIST FREE and DATA LIST LIST parsing of input files is now
993 matches the documented behavior exactly, and error messages are
994 more helpful. Thanks to Mark H. Wood <mwood@IUPUI.Edu>.
996 Version 0.2.0 changes since 0.1.0:
998 Procedures now implemented:
999 * CROSSTABS. Please see documentation for caveats.
1001 Transformations and utilities now implemented:
1004 * CLEAR TRANSFORMATIONS
1005 * DISPLAY (all subcommands).
1016 Support for input and output through pipes: "|command" and
1017 "command|" filenames; support for special filenames "-", "stdin",
1020 New command-line features:
1021 * New option --testing-mode: Invoke heuristics to assist testing.
1022 * New option --safer, -s: Don't allow certain unsafe operations.
1023 * New option --command=CMD, -c CMD: Perform literal command CMD.
1024 * rc file ~/.pspp/rc is executed before any other files.
1025 * Now multiple syntax files can be specified.
1027 Operator LAG is now implemented.
1029 Added missing FILE subcommand to REREAD.
1031 Table output manager completely rewritten.
1033 Device configuration file syntax changed. You will need to
1034 reinstall your `devices' file.
1036 New output driver for HTML.
1038 PostScript driver and prologue simplified.
1040 Many bugs fixed. General source-code cleanup.
1042 Added Texinfo documentation for:
1043 * PSPP system file format
1044 * PSPP portable file format
1045 * How to write input for q2c parser generator
1048 PSPP language is now fully documented. Please report any
1049 inaccuracies or omissions in the documentation.
1051 Changes for version 0.1.0:
1053 First public release. For changes from unreleased development
1054 versions, please see ONEWS.
1056 ----------------------------------------------------------------------
1057 Copyright information:
1059 Permission is granted to anyone to make or distribute verbatim
1060 copies of this document as received, in any medium, provided that
1061 the copyright notice and this permission notice are preserved, thus
1062 giving the recipient permission to redistribute in turn.
1064 Permission is granted to distribute modified versions of this
1065 document, or of portions of it, under the above conditions,
1066 provided also that they carry prominent notices stating who last
1070 version-control: never