OpenSolaris

08-10-31  --- Release ksh93t  ---
08-10-31  Variable scoping/initialization bugs that could dump core were fixed.
08-10-24  The lexer now accepts all RE characters for patterns prefixed
          with a ksh ~(...) option expression.
08-10-24  For ${var/pat/sub} \0 in sub expands to the text matched by pat.
08-10-18  A bug in array scoping that could dump core has been fixed.
08-10-10  read -n and -N fixed to count characters in multibyte locales.
08-10-10  A bug that mishandled _.array[] type references has been fixed.
08-10-09  ${.sh.version} now contains a catenation of the following (after
          'Version') denoting compile time features:
            A    SHOPT_AUDIT
            B    SHOPT_BASH
            L    SHOPT_ACCT
            M    SHOPT_MULTIBYTE
08-10-09  A bug that caused subshell command substitution with redirection
          to hang has been fixed.
08-10-08  Output errors, other than to stderr, now result in a diagnostic.
08-10-08  ksh93 now supports types that contain arrays of other types as
          members.  Earlier versions core dumped in this case.
08-10-05  A bug which caused the shell to emit a syntax error for an arithmetic
          statement of the form (( var.name[sub] = value)) has been fixed.
08-10-01  A bug that caused subshell command substitution to hang has
          been fixed.
08-09-29  When the -p export option of typeset is used with other options,
          only those variables matching the specified options are displayed.
08-09-29  When the shell reads the environment and finds variables that are
          not valid shell assignments, it now passes these on to subsequent
          commands rather than deleting them.
08-09-29  A bug in the display of compound variables containing an indexed
          array of compound variables has been fixed.
08-09-29  A bug in the display of compound variables containing an associative
          array with a subscript containing a . in the name has been fixed.
08-09-26  A core dump in the subshell environment restore has been fixed.
08-09-24  $(...) has been fixed to properly set the exit status in $?.
08-09-23  $(<...) with IFS=$'\n\n' has been fixed to retain all but the last
          of multiple trailing newlines.
08-09-23  The -p option to typeset when used with other attributes, restricts
          the output to variables with the specified attributes.
08-09-22  A bug that sometimes lost the exit status of a job has been fixed.
08-09-21  A bug that retained trailing command substitution newlines in
          cases where the command caused the shell to fork has been fixed.
08-09-19  type, whence -v, and command -v were fixed to comply with POSIX
          by writing 'not found' diagnostics to the standard error.
08-09-18  test and [...] were fixed to comply with POSIX in the case
          of test '(' binop ')' where binop is a valid binary test operator.
08-09-16  If a method discipline named create is specified when defining a
          type, this function will be called when an instance is created.
08-09-15  The variable _ is now set as a reference to the compound variable
          when defining a compound variable or a type.
08-09-10  The shell now prints an error message when the type name specified
          for an indexed array subscript is not an enumeration type.
08-09-10  A bug in which a subshell that spawned a background process could
          loose output that was produced after the foreground completed
          has been fixed.
08-09-10  A timing bug on some systems that could cause coprocesses started by a
          subshell to not clean up and prevent other coprocesses has been fixed.
08-09-09  The typeset -m option is now able to rename array elements from
          the same array.
08-09-09  The exit status of 2 from the DEBUG trap causes the next command
          to be skipped.  An exit value of 255 from a DEBUG trap called from
          a function causes the function to return. 
08-09-08  A bug in which a coprocess created in a subshell that did not
          complete when the subshell terminated could prevent a coprocess
          from being created in the parent shell has been fixed.
08-09-05  An assignment of the form name1=name2 where name1 and name2
          are both compound variables causes name1 to get a copy of name2.
          name1+=name2 causes name2 sub-variables to be appended to name1.
08-09-05  A bug in which unsetting a compound variable did not unset all
          the sub-variables has been fixed.
08-09-01  A bug in the subshell cleanup code that could cause SIGSEGV has
          been fixed.
06-08-26  The SHLVL variable which is an environment variable used by bash
          and zsh that gets incremented when the shell starts.
08-08-25  For an indexed array, a negative subscript now refers to offsets
          from the end so that -1 refers to the last element.
08-08-24  An alignment error for shorts on 64 bit architectures has been fixed.
08-08-22  If oldvar is a compound variable, typeset -C newvar=oldvar creates 
          newvar as a copy of oldvar.
08-08-19  The ALRM signal no longer cause the sleep builtin to terminate.
08-08-13  When used in an arithmetic expression, the .sh.version variable

          now produces a number that will be increasing for each release.
08-08-11  A bug in which type instantiation with a compound assignment in
          a dot script in which the type is defined has been fixed. 
08-08-07  The -m option has been added to typeset to move or rename a
          variable.  Not documented yet.
08-08-06  A bug in read when used in a loop when a prompt was specified
          when reading from a terminal has been fixed.
08-08-01  A bug with the pipefail option in which a nested pipeline could
          cause an asynchronous command to block has been fixed.
08-08-01  A for loop optimizer bug that treats .sh.lineno as an invariant
          has been fixed.
08-07-30  A bug in which expanding compound variable that had a get discipline
          from with a here document could cause a syntax error has been fixed.
08-07-18  A bug in which a nameref caused a local variable to be created
          rather than binding to an existing variable in the global scope
          has been fixed.
08-07-17  A bug which occurred when a nameref was created from within a
          function that was  part of a pipeline has been fixed.
08-07-14  The compile option SHOPT_STATS was added. With this option the
          compound variable .sh.stats keeps usage statistics that could help
          with performance tuning.
08-07-10  The output of set now always uses a single line for each variable.
          For array variables, the complete set of values is now displayed.
08-07-09  The typeset -C option can be used with arrays to indicate that
          each element should default to a compound variable.
08-07-08  The %B format now outputs compound variables and arrays.  The
          alternate flag # can be used to cause output into a single line.
08-07-03  When the window change signal, WINCH, is received, the current
          edit line is redrawn in place. 
08-07-01  A bug in the handling of shared variables when inside an embedded
          type has been fixed.
08-06-29  A bug in multiline edit mode which occurred when the prompt length
          was three characters or less has been fixed.
08-06-23  A bug in which the SIGCLD was not be triggered when background
          jobs completed has been fixed.
08-06-23  KSH_VERSION added as a name reference to .sh.version.
08-06-20  type now outputs 'special builtin' for special builtins.
08-06-19  A couple of bugs in multi-dimensional arrays have been fxied.
08-06-19  A bug in which a syntax error in a dot script could generated
          a syntax error in the next subsequent command has been fixed.
08-06-17  Reduced the maximum function call depth to 2048 to avoid exceptions
          on some architectures.
08-06-16  A bug in which printf "%B" could generate an exception when the
          specified variable was not set has been fixed.
08-06-16  When typeset -p is followed by variable names, it now displays
          the attributes names and values for the specific names.
08-06-14  A bug that could effect the drawing of the screen from multiline
          emacs or gmacs mode when walking up the history file has been fixed.
08-06-13  A bug in which a compound variable defined in a subshell could
          have side effects into the parent shell has been fixed.
08-06-13  A number of bugs related to using .sh.level to set the stack from
          for DEBUG traps have been fixed.
08-06-13  The .sh.lineno variable has been added.  When .sh.level is changed
          inside a DEBUG trap, the .sh.lineno contains the calling line number
          for the specified stack frame.
08-06-13  The .sh.level variable has been documented and now works.
08-06-11  The -C option has been added to read for reading compound command
          definitions from a file.
08-06-11  The . command is now permitted inside a compound command definition.
          The dot script can contain declaration commands and dot commands.
08-06-09  Add -C option to typeset so that typeset -C foo, is equivalent
          to foo=().
08-06-09  Added -n warning message for typeset option orderings that are valid
          with ksh88 but not valid with ksh93, for example Lx5.
08-06-09  A bug in which the return value for an assignment command containing
          a command substitution with that failed was zero when the assignment
          contained redirections has been fixed.
08-06-09  A bug in the quoting of $ inside a ERE pattern ~(E)(pattern)
          has been fixed.
08-06-06  A bug when processing `` command substitution with the character
          sequence \$' has been fixed.
08-06-02  When defining a type, the typeset -r attribute causes this field
          to be required to be specified for each instance of the type and
          does not allow a default value.
08-06-02  Several bugs in which compound variables were modified by
          subshells have been fixed.
08-05-22  The ceil function has been added to the math functions.
08-05-21  A bug in which a name reference defined in a function and passed
          as an argument to another function could cause an incorrect binding.
08-05-21  A bug in freeing compound variables that are local to functions
          has been fixed.
08-05-19  The array expansions ${array[sub1..sub2]} and ${!array[sub1..sub2]}
          to expand to the value (or subscripts) for array between sub1 and
          sub2 inclusive.  For associative arrays, the range is based on
          location in the POSIX locale.  The .. must be explicit and cannot
          result from an expansion.
08-05-15  The trap on SIGCLD is no longer triggered by the completion of
          the foreground job as with ksh88.
08-05-14  A bug in the implementation of the editing feature added on 
          07-09-19 in emacs mode has been fixed.
08-05-12  A bug in processing the test built-in with parenthesis has been
          fixed.
08-05-12  The unset built-in now returns non-zero when deleting an array
          subscript that is not set.
08-05-08  Changing the value of HISTFILE or HISTSIZE will cause the old
          history file to be close and reopened with the new name or size.
08-05-08  When FPATH is changed functions that were found via a path search
          will be searched for again.
08-05-08  A parser bug in which reserved words and labels were recognized
          inside compound indexed array assignment after a new-line has
          been fixed.
08-05-07  A bug in getopts when handling numerical option arguments has
          been fixed.
08-05-07  The typeset -S option was added for variables outside type
          definitions to provide a storage class similar to C static
          inside a function defined with function name.  When outside
          type definitions and outside a function, the -S option cause
          the specified variable so be unset before the assignment and
          before the remaining attributes are supplied.
08-05-07  A bug that affected the cursor movement in multiline mode when
          a character was deleted from near the beginning of the any
          line other than the first.
08-05-01  In multiline edit mode, the refresh operation will now clear
          the remaining portion of the last line.
08-05-01  A bug in computing prompt widths for the edit modes for prompts
          with multibyte characters has been fixed.
08-05-01  A bug in the multiline edit mode which could cause the current
          line to be displayed incorrectly when moving backwards from third
          or higher line to the previous line has been fixed.
08-05-01  A bug in which options set in functions declared with the function
          name syntax were carried across into functions invoked by these
          functions has been fixed.
08-04-30  A bug which could cause a coprocess to hang when the read end
          is a builtin command has been fixed.
08-04-30  The emacs and vi editors have been modified to handle window
          change commands as soon as they happen rather than waiting for
          the next command.
08-04-28  A bug in which ${!x} did not expand to x when x was unset has been
          fixed.
08-04-27  A bug in which the assignment x=(typeset -a foo=([0]=abc)) created
          x.foo as an associative array has been fixed.
08-04-25  A bug in which $# did not report correctly when there were more
          than 32K positional parameters has been fixed.
08-04-04  Choose the name _ as the sub-variable that holds type or instance
          specific data used by discipline functions.
08-03-27  A bug in which the terminal group was not given back to the parent
          shell when the last part of a pipeline was handled by the parent shell
          and the other parts of the pipeline complete has been fixed. 
          The symptom was that the pipeline became uninterruptable.
08-03-25  A bug in restricted mode introduced in ksh93s that caused scripts
          that did not use #! to executed in restricted mode has been fixed.
08-03-25  A bug in which the pipefail option did not work for a pipeline
          within a pipeline has been fixed.
08-03-24  A bug in which OPTIND was not set correctly in subshells has
          been fixed.
08-03-24  A bug which could cause a memory exception when a compound variable
          containing an indexed array with only element 0 defined was expanded.
08-03-20  A bug in which ${!var[sub].*} was treated as an error has been fixed.
08-03-20  Associative array assignments of the form ([name]=value ...)
          now allow ; as well as space tab and new line to separate elements.
08-03-18  A buffering problem in which standard error was sometimes
          not flushed before sleep has been fixed.
08-03-17  A bug in which a signal sent to $$ while in a subshell would be
          sent to the subshell rather than the parent has been fixed.
08-03-17  --default option added to set(1) to handle set +o POSIX semantics.
          set --state added as a long name alias for set +o.
08-03-14  A bug in which using monitor mode from within a script could
          cause the terminal group to change has been fixed.
08-03-10  The new ${...} command substitution will treat the trailing }
          as a reserved word even if it is not at the beginning of a command,
          for example, ${ date }.
08-03-10  If the name of the ENV begins with /./ or ././ then the
          /etc/ksh.kshrc file will not be executed on systems that support
          this interactive initialization file.
08-03-07  A bug in which ksh -i did not run the ENV file has been fixed.
08-03-07  A bug in which ulimit did not always produce the same output as
          ulimit -fS has been fixed.
08-03-04  A bug in multiline mode in emacs and vi mode which could cause the
          cursor to be on the wrong line when interrupt was hit has been fixed.
08-03-03  The change made in ksh93s+ on 07-06-18 in which braces became
          optional for ${a[i]} inside  [[...]] was restored in the case
          where the argument can be a pattern.
08-03-03  A bug in which creating a name reference to an associative array
          instance would fail when the subscript contained characters [ or
          ] has been fixed.
08-02-29  The redirection operator >; has been added which for non-special
          files, generates the output in a temporary file and writes the
          specified file only of the command has completed successfully.
08-02-15  A bug in ${var/pattern/string} for patterns of the form ?(*) and +(*)
          has bee fixed.
08-02-07  A bug in which test \( ! -e \) produced an error has been fixed.
08-02-14  The typeset -a option can now optionally be followed by the name
          of an enumeration type which allows subscripts to be enumerations.
08-02-14  The enum builtin which creates enumeration types has been added.
08-02-12  The backoff logic when there are no more processes has been fixed.
08-02-07  The -X option has been added to typeset.  The -X option creates
          a double precision number that gets displayed using the C99 %a
          format.  It can be used along with -l for long double.
08-01-31  The -T option to typeset has been added for creating typed
          variables.  Also the -h and -S options have been added to
          typeset that are only applicable when defining a type.
08-01-31  The prefix expansion operator @ has been added.  ${@name}
          expands to the type of name or yields the attributes.
07-11-15  A bug in the macro expander for multibyte characters in which
          part of the character contains a file pattern byte has been fixed. 
07-10-03  A bug in which : was not allowed as part of an alias name has been
          fixed.
07-09-26  A bug in which appending a compound variable to a compound variable
          or to an index array didn't work has been fixed.
07-09-19  In both emacs and vi edit mode, the escape sequence \E[A (usually
          cursor up, when the cursor is at the end of the line will fetch
          the most recent line starting with the current line.
07-09-18  The value of ${!var} was correct when var was a reference to an
          array instance.
07-09-18  The value of ${!var[sub]} was not expanding to var[sub] and this
          was fixed.  It also fixed ${name} where name is a name reference
          to var[sub].
07-09-18  It is now legal to create a name reference without an initialization.
          It will be bound to a variable on the first assignment.
07-08-30  A discipline function can be invoked as ${x.foo} and is equivalent
          to ${ x.foo;} and can be invoked as x.foo inside ((...)).
07-07-09  A bug in which typeset -a did not list indexed arrays has been
          fixed.
07-07-03  The command substitution ${ command;} has been added.  It behaves
          like $(command) except that command is executed in the current
          shell environment.  The ${ must be followed by a blank or an
          operator.
08-04-17  --- Release ksh93s+  ---
08-04-17  A bug in which umask was not being restored correctly after a
          subshell has been fixed.
08-04-15  A bug in which sending a STOP signal to a job control shell started
          from within a shell function caused cause the invoking shell to
          terminate has been fixed.
08-04-11  A bug which caused $(exec > /dev/null) to go into an infinite loop
          has been fixed.
08-03-27  A bug in which typeset -LZ was being treated as -RZ has been fixed.
08-03-06  A bug with ksh -P on systems that support the the profile shell,
          in which it would exit after running a non-builtin has been fixed.
08-01-31  A bug in which command substitution inside ((...)) could cause
          syntax errors or lead to core dumps has been fixed.
08-01-17  A bug in which discipline functions could be deleted when invoked
          from a subshell has been fixed.
08-01-17  A bug in which a command substitution consisting only of
          assignments was treated as a noop has been fixed.
08-01-17  A bug in which discipline functions invoked from withing a
          compound assignment could fail has been fixed.
08-01-16  Incomplete arithmetic assignments, for example ((x += )), now
          generate an error message.
08-01-16  A bug in which a set discipline defined for a variable before
          an array assignment could cause a core dump has been fixed. 
08-01-03  A bug in on some systems in which exit status 0 is incorrectly
          returned by a process that catches the SIGCONT signal is stopped 
          and then continued.
07-12-13  A race condition in which a program that has been stopped and then
          continued could loose the exit status has been fixed.
07-12-12  Code to check for file system out of space write errors for all
          writes has been added.
07-12-11  A bug in the macro expander for multibyte characters in which
          part of the character contains a file pattern byte has been fixed. 
07-12-06  A bug in the emacs edit mode when multiline was set that output
          a backspace before the newline to the screen has been fixed.
07-12-04  A bug in which using <n>TAB after a variable name listing expansion
          in the edit modes would cause the $ to disappear has been fixed.
07-11-28  A bug in which setting IFS to readonly could cause a subsequent
          command substitution to fail has been fixed.
07-11-27  A work around for a gcc 4.* C99 "feature" that could cause a job
          control shell to go into an infinite loop by adding the volatile
          attribute to some auto vars in functions that call setjmp().
07-11-27  A bug in which the shell could read ahead on a pipe causing the
          standard input to be incorrectly positioned has been fixed.
07-11-27  A bug in which compound variable UTF-8 multibyte values were not
          expanded or traced properly has been fixed.
07-11-21  A bug where an unbalanced '[' in a command argument was not treated
          properly has been fixed.
07-11-15  A bug in which compatibility mode (no long option names) getopts(1)
          incorrectly set the value of OPTARG for flag options has been fixed.
07-11-15  A bug in which "hash -- name" treated "--" as an invalid name operand
          has been fixed.
07-11-15  typeset now handles "-t -- [-r] [--]" for s5r4 hash(1) compatibility.
07-11-15  A bug in which the umask builtin mis-handled symbolic mode operands
          has been fixed.
07-11-15  Bugs in which shell arithmetic and the printf builtin mis-handled the
          signs of { -NaN -Inf -0.0 } have been fixed.
07-11-15  The full { SIGRTMIN SIGRTMIN+1 ... SIGRTMAX-1 SIGRTMAX } range
          of signals, determined at runtime, are now supported.
07-11-15  A bug in which creating an index array with only subscript 0 created
          only a simple variable has been fixed.
07-11-14  A bug in which appending to an indexed array using the form
          name+=([sub]=value) could cause the array to become an associative
          array has been fixed.
07-11-14  A bug in which typeset without arguments could coredump if a
          variable is declared as in indexed array and  has no elements has
          been fixed.
07-11-14  A bug in which creating a local SECONDS variable with typeset in
          a function could corrupt memory has been fixed.
07-11-14  A bug which could cause a core dump when a script invoked by name
          from a function used compound variables has been fixed.
07-11-05  A bug in which printf %d "'AB" did not diagnose unconverted characters
          has been fixed.
07-11-05  printf %g "'A" support added for all floating point formats.
07-11-01  A bug in which typeset -f fun did not display the function definition
          when invoked in a subshell has been fixed.
07-10-29  The sleep builtin was fixed so that all floating point constants
          are valid operands.
07-10-10  A bug in which the locale was not being restored after
          LANG=value command has been fixed.
07-09-20  A bug in which a nameref to a compound variable that was local
          to the calling function would not expand correctly when displaying
          is value has been fixed.
07-09-19  A bug which cause cause a core dump if .sh.edchar returned
          80 characters or more from a keyboard trap has been fixed.
07-09-14  A bug in which could cause a core dump when more than 8 file
          descriptors were in use has been fixed.
07-09-10  A bug in which creating a name reference to an instance of
          an array when the array name is itself a reference has been fixed.
07-09-10  The file completion code has been modified so that after an = in
          any word, each : will be considered a path delimiter.
07-09-06  A bug in which subprocess cleanup could corrupt the malloc() heap
          has been fixed.
07-08-26  A bug in which a name reference to an associative array instance
          could cause the subscript to be evaluated as an arithmetic expression
          has been fixed.
07-08-22  A bug in which the value of an array instance was of a compound
          variable was not expanded correctly has been fixed.
07-08-14  A bug which could cause a core dump when a compound assignment was
          made to a compound variable element with a typeset -a attribute
          has been fixed.
07-08-08  A bug in which a trap ignored in a subshell caused it to be
          ignored by the parent has been fixed.
07-08-07  A bug in which the set command would generated erroneous output
          for a variable with the -RZ attribute if the variable name had been
          passed to a function has been fixed.
07-08-02  A bug in which read x[1] could core dump has been fixed.
07-08-02  A second bug in which after read x[sub] into an associative array
          of an element that hasn't been assigned could lead to a core dump
          has been fixed.
07-07-31  A bug in which a pipeline that completed correctly could have
          an exit status of 127 when pipefail was enabled has been fixed.
07-07-09  The SHOPT_AUDIT compile option has been added for keyboard logging.
07-06-25  In vi insert mode, ksh no longer emits a backspace character
          before the carriage return when the newline is entered. 
07-06-25  A bug in which pipefail would cause a command to return 0
          when the pipeline was the last command and the failure happened
          on a component other than the last has been fixed.
07-06-25  A bug in the expansion of ${var/pattern/rep} when pattern or rep
          contained a left parenthesis in single quotes has been fixed.
07-06-18  The braces for a subscripted variable with ${var[sub]} are now
          optional when inside [[...]], ((...)) or as a subscript.
07-05-28  A bug in brace expansion in which single and double quotes did
          not treat the comma as a literal character has been fixed.
07-05-24  The -p option of whence now disables -v.
07-05-23  Several bug fixes in compound variables and arrays of arrays
          have been made.
07-05-15  A bug in which the %B format of printf was affected  by the
          locale has been fixed.
07-05-14  A bug in which \ was not removed in the replacement pattern with
          ${var/pattern/rep} when it was not followed by \ or a digit has
          been fixed.
07-05-10  A bug in which ksh -R file core dumped if no script was specified
          has been fixed.  it not displays an error message.
07-05-07  Added additional Solaris signals to signal table.
07-04-30  A bug in which a pipeline with command substitution inside a
          function could cause a pipeline that invokes this function to
          hang when the pipefail option is on has been fixed.
07-04-30  Added -q to whence.

OpenSolaris

Announcements

ksh93-integration update1 integrated into OS/Net build 106 | 12/28/2008

Highlights of this release:

Changelog:

Links

ksh93-integration update1 entered code review | 12/02/2008

ksh93-integration update1 2008-11-14 tarballs for Solaris Nevada >= B84+Indiana | 11/30/2008

|libc::wordexp()| updated, distributions please check whether inetd still works | 11/14/2008

ksh93 version 't' (ast-ksh.2008-11-04) released | 11/10/2008

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