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[ANNOUNCEMENT] Updated: zsh-5.0.6-1

An updated version of zsh (zsh-5.0.6-1) has been released and should be
at a mirror near you real soon.  This is an upstream release.


Version 5.0.6 has just been released for both 32-bit and 64-bit Cygwin.
This release contains several fixes, but is mostly to address the problem that existed in versions 5.0.3 through 5.0.5.


(From the release notes:

Changes between versions 5.0.5 and 5.0.6


The value of $? when a job becomes stopped is now the signal number plus 128, for compatibility with other shells. Note that different operating systems use different values e.g. for SIGTSTP, so it is not possible in portable scripts to detect stopped jobs by comparing to a fixed number. Also, the value of $pipestatus is now updated when a job stops, not just when it exits.


If the option EXTENDED_GLOB is in effect, it is possible to force globbing within conditional code using the [[ ... ]] syntax by flagging that a certain string is a glob using the (#q) glob qualifier syntax. The resulting glob is treated as a single argument. For example, [[ -n *.c(#qN) ]] tests whether there are any .c files in the current directory.

In prompt strings, the %N(l.true.false) conditional (line length) and the %N<..< and %N>..> truncation operators now accept negative values of N, which count the remaining space to the opposite margin (positive values of N still count the space used since the start of the prompt). In PS1 and PROMPT, this counts to the right margin, whereas in RPS1 and RPROMPT, it counts to the left margin (not to the opposite prompt).

Another new prompt feature is the %. escape within time strings, for example %D{%H:%M:%S.%.}. It provides zero-padded decimal fractions of second; by default milliseconds are shown, but the number of digits may be indicated from 1 to 6, e.g. "%6.". (Note this is part of the extensions to strftime() formats rather than basic prompt escapes.)

The operators :^ and :^^ in parameter substitution allow for array zipping in the form ${name:^array}. With the :^ operator, all entries in $name and $array will be output in alternating order. With :^ the longer array is trimmed whereas the :^^ operator repeats the shorter array enough to match the longer array.

Changes between versions 5.0.2 and 5.0.5

Releases 5.0.3 and 5.0.4 were replaced with 5.0.5 because they contained serious bugs.


The "zshaddhistory" hook mechanism documented in the zshmisc manual page has been upgraded so that a hook returning status 2 causes a history line to be saved on the internal history list but not written to the history file. Previously any non-zero status return would cause the line not to be saved on the history at all. It is recommended to use status 1 for this (indeed most shell users would naturally do so).


The option FORCE_FLOAT has been added to force all arithmetic constants to be treated as floating point. This is most useful locally within functions or scripts performing floating point calculations.

Individual pattern characters can be disabled. For example, to allow '^' to be an ordinary character even if the option EXTENDED_GLOB is set, use "disable -p '^'".

The variable editing builtin vared can be given custom editing widgets for initialisation and finishing.

The line editor's capability for listening on file descriptors additional to the terminal has been enhanced so that the handler for such file descriptors can be a line editor widget. Previously the handler always behaved as a standard shell function.

Hooks for adding history (the function zshaddhistory and the array zshaddhistory_functions) can return status 2 to indicate that history is to be saved internally within the shell but not written.

The parameter HISTORY_IGNORE may be set to a pattern which matches lines in the internal history that are to be omitted from the history file at file write time. This differs from history changes made in the zshaddhistory hook or by the HIST_IGNORE_* options, all of which take effect immediately on the internal history list itself.

The parameter ZLE_RPROMPT_INDENT can be set to 0 to remove the space between the right hand side of the screen (this causes problems with some terminals). It is not special and is not set by default; the effect in that case is as if it was 1, as in previous versions.


See ChangeLogs for full details.


Zsh is a UNIX command interpreter (shell) usable as an interactive login
shell and as a shell script command processor.  Of the standard shells,
zsh most closely resembles `ksh' but includes many enhancements.  Zsh has
command line editing, builtin spelling correction, programmable command
completion, shell functions (with autoloading), a history mechanism, and
a host of other features.

To update your installation, click on the "Install Cygwin now" link on the web page.  This downloads setup.exe to your system.
Save it and run setup, answer the questions and pick up 'zsh' in the
'Shell' category (you will have select it).

Note that downloads from (aka aren't
allowed due to bandwidth limitations.  This means that you will need to
find a mirror which has this update, please choose the one nearest to you:

If you want to make a point or ask a question the Cygwin mailing list is
the appropriate place.

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--=> Peter A. Castro
Email: doctor at fruitbat dot org / Peter dot Castro at oracle dot com
	"Cats are just autistic Dogs" -- Dr. Tony Attwood

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