Mail Archives: cygwin/2020/07/02/01:21:07
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| Subject: | Re: How to check cygwin version?
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| To: | cygwin AT cygwin DOT com
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| References: | <CAH8yC8noPqzyKHyNVhfnsPB5umhMj0wDiAvz1Jur_7s9LCe7xg AT mail DOT gmail DOT com>
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| From: | Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
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| Organization: | Systematic Software
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| Message-ID: | <f6c689bd-d40a-de0f-5c46-14053f0b1eef@SystematicSw.ab.ca>
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| Date: | Wed, 1 Jul 2020 23:20:04 -0600
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On 2020-07-01 07:36, Jeffrey Walton via Cygwin wrote:
> I think the documentation leaves a lot to be desired... I'm trying to
> tell someone what version of Cygwin I am using.
>
> There's a FAQ item at
> https://cygwin.com/faq/faq.html#faq.what.version. It gives this
> useless advice:
>
> To find the version of the Cygwin DLL installed, you can use uname
> as on Linux or cygcheck. Refer to each command's --help output and
> the Cygwin User's Guide for more information.
>
> OK, let's try it:
>
> $ cygcheck -v
> Usage: cygcheck [-v] [-h] PROGRAM
> cygcheck -c [-d] [PACKAGE]
> cygcheck -s [-r] [-v] [-h]
> cygcheck -k
> ...
>
> OK, -v is what we need:
>
> $ cygcheck -v cygwin
> cygcheck: could not find 'cygwin'
>
> OK, another failure.
>
> RTFM does not work. Why the hell don't you just state how to check the
> god damn version?
Do you think it would help if this FAQ entry were changed to read:
1.5. What version of Cygwin is this, anyway?
To find the version of the Cygwin DLL installed, you can use any of the
Cygwin commands uname -a, uname -srvm, head /proc/version as on Linux, or
cygcheck -V. Refer to each command's --help output or the Cygwin User's Guide
for more information.
and please make any further comments, feedback, or suggestions you think would
help with this entry.
Running the suggested commands with their --help options would have shown you:
$ uname --help
Usage: uname [OPTION]...
Print certain system information. With no OPTION, same as -s.
-a, --all print all information, in the following order,
except omit -p and -i if unknown:
-s, --kernel-name print the kernel name
-n, --nodename print the network node hostname
-r, --kernel-release print the kernel release
-v, --kernel-version print the kernel version
-m, --machine print the machine hardware name
-p, --processor print the processor type (non-portable)
-i, --hardware-platform print the hardware platform (non-portable)
-o, --operating-system print the operating system
--help display this help and exit
--version output version information and exit
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Full documentation at: <http://www.gnu.org/software/coreutils/uname>
or available locally via: info '(coreutils) uname invocation'
$ cygcheck --help
Usage: cygcheck [-v] [-h] PROGRAM
cygcheck -c [-d] [PACKAGE]
cygcheck -s [-r] [-v] [-h]
cygcheck -k
cygcheck -f FILE [FILE]...
cygcheck -l [PACKAGE]...
cygcheck -p REGEXP
cygcheck --delete-orphaned-installation-keys
cygcheck -h
List system information, check installed packages, or query package database.
At least one command option or a PROGRAM is required, as shown above.
PROGRAM list library (DLL) dependencies of PROGRAM
-c, --check-setup show installed version of PACKAGE and verify integrity
(or for all installed packages if none specified)
-d, --dump-only just list packages, do not verify (with -c)
-s, --sysinfo produce diagnostic system information (implies -c)
-r, --registry also scan registry for Cygwin settings (with -s)
-k, --keycheck perform a keyboard check session (must be run from a
plain console only, not from a pty/rxvt/xterm)
-f, --find-package find the package to which FILE belongs
-l, --list-package list contents of PACKAGE (or all packages if none given)
-p, --package-query search for REGEXP in the entire cygwin.com package
repository (requires internet connectivity)
--delete-orphaned-installation-keys
Delete installation keys of old, now unused
installations from the registry. Requires the right
to change the registry.
-v, --verbose produce more verbose output
-h, --help annotate output with explanatory comments when given
with another command, otherwise print this help
-V, --version print the version of cygcheck and exit
Note: -c, -f, and -l only report on packages that are currently installed. To
search all official Cygwin packages use -p instead. The -p REGEXP matches
package names, descriptions, and names of files/paths within all packages.
--
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada
This email may be disturbing to some readers as it contains
too much technical detail. Reader discretion is advised.
[Data in IEC units and prefixes, physical quantities in SI.]
--
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