bash/ddd1

*** ../bash-20080221/doc/bashref.texi	2008-02-22 21:44:51.000000000 -0500
--- doc/bashref.texi	2008-04-25 12:32:42.000000000 -0400
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*** 681,688 ****
  waits for each command to terminate in turn.  The return status is the
  exit status of the last command executed.
  
! The control operators @samp{&&} and @samp{||}
! denote @sc{and} lists and @sc{or} lists, respectively.
  An @sc{and} list has the form
  @example
  @var{command1} && @var{command2}
--- 681,691 ----
  waits for each command to terminate in turn.  The return status is the
  exit status of the last command executed.
  
! @sc{and} and @sc{or} lists are sequences of one or more pipelines
! separated by the control operators @samp{&&} and @samp{||},
! respectively.  @sc{and} and @sc{or} lists are executed with left
! associativity.
! 
  An @sc{and} list has the form
  @example
  @var{command1} && @var{command2}
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*** 2298,2304 ****
  (see the description of @code{hash} in @ref{Bourne Shell Builtins}).
  A full search of the directories in @env{$PATH}
  is performed only if the command is not found in the hash table.
! If the search is unsuccessful, the shell prints an error
  message and returns an exit status of 127.
  
  @item
--- 2301,2312 ----
  (see the description of @code{hash} in @ref{Bourne Shell Builtins}).
  A full search of the directories in @env{$PATH}
  is performed only if the command is not found in the hash table.
! If the search is unsuccessful, the shell searches for a defined shell
! function named @code{command_not_found_handle}.
! If that function exists, it is invoked with the original command and
! the original command's arguments as its arguments, and the function's
! exit status becomes the exit status of the shell.
! If that function is not defined, the shell prints an error
  message and returns an exit status of 127.
  
  @item
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*** 3129,3134 ****
--- 3137,3143 ----
  Readline initialization file (@pxref{Readline Init File}),
  but each binding or command must be passed as a separate argument;  e.g.,
  @samp{"\C-x\C-r":re-read-init-file}.
+ 
  Options, if supplied, have the following meanings:
  
  @table @code
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*** 3262,3268 ****
  
  The @option{-p} option will display the attributes and values of each
  @var{name}.
! When @option{-p} is used, additional options are ignored.
  The @option{-F} option inhibits the display of function definitions;
  only the function name and attributes are printed.
  If the @code{extdebug} shell option is enabled using @code{shopt}
--- 3271,3286 ----
  
  The @option{-p} option will display the attributes and values of each
  @var{name}.
! When @option{-p} is used with @var{name} arguments, additional options
! are ignored.
! 
! When @option{-p} is supplied without @var{name} arguments, @code{declare}
! will display the attributes and values of all variables having the
! attributes specified by the additional options.
! If no other options are supplied with @option{-p}, @code{declare} will
! display the attributes and values of all shell variables.  The @option{-f}
! option will restrict the display to shell functions.
! 
  The @option{-F} option inhibits the display of function definitions;
  only the function name and attributes are printed.
  If the @code{extdebug} shell option is enabled using @code{shopt}
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*** 3400,3413 ****
  @item help
  @btindex help
  @example
! help [-s] [@var{pattern}]
  @end example
  Display helpful information about builtin commands.
  If @var{pattern} is specified, @code{help} gives detailed help
  on all commands matching @var{pattern}, otherwise a list of
  the builtins is printed.
! The @option{-s} option restricts the information displayed to a short
! usage synopsis.
  The return status is zero unless no command matches @var{pattern}.
  
  @item let
--- 3418,3441 ----
  @item help
  @btindex help
  @example
! help [-dms] [@var{pattern}]
  @end example
  Display helpful information about builtin commands.
  If @var{pattern} is specified, @code{help} gives detailed help
  on all commands matching @var{pattern}, otherwise a list of
  the builtins is printed.
! 
! Options, if supplied, have the following meanings:
! 
! @table @code
! @item -d
! Display a short description of each @var{pattern}
! @item -m
! Display the description of each @var{pattern} in a manpage-like format
! @item -s
! Display only a short usage synopsis for each @var{pattern}
! @end table
! 
  The return status is zero unless no command matches @var{pattern}.
  
  @item let
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*** 3443,3448 ****
--- 3471,3516 ----
  Exit a login shell, returning a status of @var{n} to the shell's
  parent.
  
+ @item mapfile
+ @btindex mapfile
+ @example
+ mapfile [-n @var{count}] [-O @var{origin}] [-s @var{count}] [-t] [-u @var{fd}] [
+ -C @var{callback}] [-c @var{quantum}] [@var{array}]
+ @end example
+ Read lines from the standard input into array variable @var{array},
+ or from file descriptor @var{fd}
+ if the @option{-u} option is supplied.
+ The variable @code{MAPFILE} is the default @var{array}.
+ Options, if supplied, have the following meanings:
+ @table @code
+ 
+ @item -n
+ Copy at most @var{count} lines.  If @var{count} is 0, all lines are copied.
+ @item -O
+ Begin assigning to @var{array} at index @var{origin}.
+ The default index is 0.
+ @item -s
+ Discard the first @var{count} lines read.
+ @item -t
+ Remove a trailing line from each line read.
+ @item -u
+ Read lines from file descriptor @var{fd} instead of the standard input.
+ @item -C
+ Evaluate @var{callback} each time @var{quantum}P lines are read.
+ The @option{-c} option specifies @var{quantum}.
+ @item -c
+ Specify the number of lines read between each call to @var{callback}.
+ @end table
+ 
+ If @option{-C} is specified without @option{-c}, 
+ the default quantum is 5000.
+ 
+ If not supplied with an explicit origin, @code{mapfile} will clear @var{array}
+ before assigning to it.
+ 
+ @code{mapfile} returns successfully unless an invalid option or option
+ argument is supplied, or @var{array} is invalid or unassignable.
+ 
  @item printf
  @btindex printf
  @example
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*** 3476,3482 ****
  @item read
  @btindex read
  @example
! read [-ers] [-a @var{aname}] [-d @var{delim}] [-n @var{nchars}] [-p @var{prompt}] [-t @var{timeout}] [-u @var{fd}] [@var{name} @dots{}]
  @end example
  One line is read from the standard input, or from the file descriptor
  @var{fd} supplied as an argument to the @option{-u} option, and the first word
--- 3544,3550 ----
  @item read
  @btindex read
  @example
! read [-ers] [-a @var{aname}] [-d @var{delim}] [-i @var{text}] [-n @var{nchars}] [-p @var{prompt}] [-t @var{timeout}] [-u @var{fd}] [@var{name} @dots{}]
  @end example
  One line is read from the standard input, or from the file descriptor
  @var{fd} supplied as an argument to the @option{-u} option, and the first word
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*** 3510,3515 ****
--- 3578,3587 ----
  @item -e
  Readline (@pxref{Command Line Editing}) is used to obtain the line.
  
+ @item -i @var{text}
+ If Readline is being used to read the line, @var{text} is placed into
+ the editing buffer before editing begins.
+ 
  @item -n @var{nchars}
  @code{read} returns after reading @var{nchars} characters rather than
  waiting for a complete line of input.
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*** 3581,3588 ****
  If the @option{-f} option is used, @code{type} does not attempt to find
  shell functions, as with the @code{command} builtin.
  
! The return status is zero if any of the @var{names} are found, non-zero
! if none are found.
  
  @item typeset
  @btindex typeset
--- 3653,3660 ----
  If the @option{-f} option is used, @code{type} does not attempt to find
  shell functions, as with the @code{command} builtin.
  
! The return status is zero if all of the @var{names} are found, non-zero
! if any are not found.
  
  @item typeset
  @btindex typeset
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*** 3596,3602 ****
  @item ulimit
  @btindex ulimit
  @example
! ulimit [-acdefilmnpqrstuvxSH] [@var{limit}]
  @end example
  @code{ulimit} provides control over the resources available to processes
  started by the shell, on systems that allow such control.  If an
--- 3668,3674 ----
  @item ulimit
  @btindex ulimit
  @example
! ulimit [-abcdefilmnpqrstuvxHST] [@var{limit}]
  @end example
  @code{ulimit} provides control over the resources available to processes
  started by the shell, on systems that allow such control.  If an
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*** 3611,3616 ****
--- 3683,3691 ----
  @item -a
  All current limits are reported.
  
+ @item -b
+ The maximum socket buffer size.
+ 
  @item -c
  The maximum size of core files created.
  
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*** 3659,3664 ****
--- 3734,3742 ----
  @item -x
  The maximum number of file locks.
  
+ @item -T
+ The maximum number of threads.
+ 
  @end table
  
  If @var{limit} is given, it is the new value of the specified resource;
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*** 7049,7056 ****
  
  @item
  Bash provides a programmable word completion mechanism
! (@pxref{Programmable Completion}), and two builtin commands,
! @code{complete} and @code{compgen}, to manipulate it.
  
  @item
  Bash has command history (@pxref{Bash History Facilities}) and the
--- 7127,7135 ----
  
  @item
  Bash provides a programmable word completion mechanism
! (@pxref{Programmable Completion}), and builtin commands
! @code{complete}, @code{compgen}, and @code{compopt}, to
! manipulate it.
  
  @item
  Bash has command history (@pxref{Bash History Facilities}) and the