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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>cygcheck</title><link rel="stylesheet" type="text/css" href="docbook.css"><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"><link rel="home" href="cygwin-ug-net.html" title="Cygwin User's Guide"><link rel="up" href="using-utils.html" title="Cygwin Utilities"><link rel="prev" href="chattr.html" title="chattr"><link rel="next" href="cygpath.html" title="cygpath"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">cygcheck</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="chattr.html">Prev</a> </td><th width="60%" align="center">Cygwin Utilities</th><td width="20%" align="right"> <a accesskey="n" href="cygpath.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="cygcheck"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>cygcheck — List system information, check installed packages, or query package database</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">cygcheck</code> [-v] [-h] <em class="replaceable"><code>PROGRAM</code></em> </p></div><div class="cmdsynopsis"><p><code class="command">cygcheck</code> -c [-d] [-n] [<em class="replaceable"><code>PACKAGE</code></em>]</p></div><div class="cmdsynopsis"><p><code class="command">cygcheck</code> -s [-r] [-v] [-h]</p></div><div class="cmdsynopsis"><p><code class="command">cygcheck</code> -k </p></div><div class="cmdsynopsis"><p><code class="command">cygcheck</code> -e [--requires] [--build-reqs] <em class="replaceable"><code>PATTERN</code></em>... </p></div><div class="cmdsynopsis"><p><code class="command">cygcheck</code> -i [--inst] [--curr] [--prev] [--test] [--deps] [--build-deps] <em class="replaceable"><code>PATTERN</code></em>... </p></div><div class="cmdsynopsis"><p><code class="command">cygcheck</code> -f <em class="replaceable"><code>FILE</code></em>... </p></div><div class="cmdsynopsis"><p><code class="command">cygcheck</code> -l [<em class="replaceable"><code>PACKAGE</code></em>...]</p></div><div class="cmdsynopsis"><p><code class="command">cygcheck</code> -p <em class="replaceable"><code>REGEXP</code></em> </p></div><div class="cmdsynopsis"><p><code class="command">cygcheck</code> --delete-orphaned-installation-keys </p></div><div class="cmdsynopsis"><p><code class="command">cygcheck</code> -h | -V </p></div></div><div class="refsect1"><a name="cygcheck-options"></a><h2>Options</h2><pre class="screen">
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 do not verify packages (with -c)
-n, --names-only just list package names (implies -c -d)
-s, --sysinfo produce diagnostic system information (implies -c -d)
-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)
-e, --search-package list all available packages matching PATTERN
PATTERN is a glob pattern with * and ? as wildcard chars
search selection specifiers (multiple allowed):
--requires list packages depending on packages matching PATTERN
--build-reqs list packages depending on packages matching PATTERN
when building these packages
only the most recent available releases are checked
to collect requirements info
-i, --info-package print full info on packages matching PATTERN, installed
and available releases
PATTERN is a glob pattern with * and ? as wildcard chars
info selection specifiers (multiple allowed):
--inst only print info on installed package release
--curr only print info on most recent available release
--prev only print info on older, still available releases
--test only print info on test releases
--deps additionally print package dependencies
--build-deps additionally print package build dependencies
-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
Notes:
-c, -f, and -l only report on packages that are currently installed.
-i and -e report on available packages, too. To search for files within
uninstalled Cygwin packages, use -p. The -p REGEXP matches package names,
descriptions, and names of files/paths within all packages.
</pre></div><div class="refsect1"><a name="cygcheck-desc"></a><h2>Description</h2><p> The <span class="command"><strong>cygcheck</strong></span> program is a diagnostic utility for
dealing with Cygwin programs. If you are familiar with
<span class="command"><strong>dpkg</strong></span> or <span class="command"><strong>rpm</strong></span>,
<span class="command"><strong>cygcheck</strong></span> is similar in many ways. (The major
difference is that <span class="command"><strong>setup</strong></span> handles installing and
uninstalling packages; see <a class="xref" href="setup-net.html#internet-setup" title="Internet Setup">the section called “Internet Setup”</a> for more
information.) </p><p> The <code class="literal">-c</code> option checks the version and status of
installed Cygwin packages. If you specify one or more package names,
<span class="command"><strong>cygcheck</strong></span> will limit its output to those packages, or
with no arguments it lists all packages. A package will be marked
<code class="literal">Incomplete</code> if files originally installed are no longer
present. The best thing to do in that situation is reinstall the package
with <span class="command"><strong>setup</strong></span>. To see which files are missing, use
the <code class="literal">-v</code> option. If you do not need to know the status
of each package and want <span class="command"><strong>cygcheck</strong></span> to run faster, add
the <code class="literal">-d</code> option and <span class="command"><strong>cygcheck</strong></span> will
only output the name and version for each package. Add the
<code class="literal">-n</code> option to output only the names of packages. </p><p> If you list one or more programs on the command line,
<span class="command"><strong>cygcheck</strong></span> will diagnose the runtime environment of that
program or programs, providing the names of DLL files on which the
program depends. If you specify the <code class="literal">-s</code> option,
<span class="command"><strong>cygcheck</strong></span> will give general system information. If you
list one or more programs on the command line and specify
<code class="literal">-s</code>, <span class="command"><strong>cygcheck</strong></span> will report on
both.</p><p> The <code class="literal">-e</code> option allows to seach for available
packages in the Cygwin distribution. <code class="literal">PATTERN</code> is
a glob pattern, using * and ? as wildcard characters, just as in
filename patterns. <code class="literal">PATTERN</code> is searched for in
the package name and the summary of a package.
The <code class="literal">--requires</code> and <code class="literal">--build-reqs</code>
options allow to search for packages which have a certain dependency,
either at runtime or at build time.</p><p> The <code class="literal">-i</code> option prints a lot of information
available for installed packages, as well as for available packages
in the Cygwin distribution. <code class="literal">PATTERN</code> is a glob
pattern, using * and ? as wildcard characters, just as in filename
patterns. <code class="literal">PATTERN</code> is compared against the
package name as well as against the combined package name and version.
With additional info selectors, <code class="literal">--inst</code>,
<code class="literal">--curr</code>, <code class="literal">--prev</code>, and
<code class="literal">--test</code>, allow to specify that only information
in terms of installed, current latest available, older available,
as well as test packages respectively, is requested.
The <code class="literal">--deps</code> and <code class="literal">--build-deps</code>
options allow to print additional dependency information.</p><div class="example"><a name="utils-cygcheck-eiex"></a><p class="title"><b>Example 3.4. Example <span class="command">cygcheck</span> -e/-i
usage</b></p><div class="example-contents"><pre class="screen">
$ cygcheck -e grep
grep : search for regular expression matches in text files
grep-debuginfo : Debug info for grep
grepmail : search mailboxes for mail matching an expression
pdfgrep : Command-line utility for searching text in PDFs
pdfgrep-debuginfo : Debug info for pdfgrep
sgrep : Search indexed text regions like SGML,XML and HTML files
$ cygcheck -i --curr --deps grep
Latest available package:
-------------------------
Name : grep
Version : 3.8
Release : 2
Architecture: x86_64
Size : 401340 (392 K)
Source : grep-3.8-2-src.tar.xz
Dependencies: bash, cygwin, libintl8, libpcre2_8_0
Summary : search for regular expression matches in text files
Description :
GNU grep searches one or more input files for lines containing a
match to a specified pattern. By default, grep outputs the matching lines.
The GNU implementation includes several useful extensions over POSIX.
</pre></div></div><br class="example-break"><p> Note that <code class="literal">-e</code> and <code class="literal">-i</code>
options fetch info from a distribution db file. This file will be
downloading on demand and refreshed if it's older than 24 hours.</p><p> The <code class="literal">-f</code> option helps you to track down which
package a file came from, and <code class="literal">-l</code> lists all files in a
package. For example, to find out about
<code class="filename">/usr/bin/less</code> and its package:
</p><div class="example"><a name="utils-cygcheck-ex"></a><p class="title"><b>Example 3.5. Example <span class="command">cygcheck</span> -f/-l
usage</b></p><div class="example-contents"><pre class="screen">
$ cygcheck -f /usr/bin/less
less-381-1
$ cygcheck -l less
/usr/bin/less.exe
/usr/bin/lessecho.exe
/usr/bin/lesskey.exe
/usr/man/man1/less.1
/usr/man/man1/lesskey.1
</pre></div></div><br class="example-break"><p>The <code class="literal">-h</code> option prints additional helpful messages
in the report, at the beginning of each section. It also adds table
column headings. While this is useful information, it also adds some to
the size of the report, so if you want a compact report or if you know
what everything is already, just leave this out.</p><p>The <code class="literal">-v</code> option causes the output to be more
verbose. What this means is that additional information will be reported
which is usually not interesting, such as the internal version numbers of
DLLs, additional information about recursive DLL usage, and if a file in
one directory in the PATH also occurs in other directories on the PATH. </p><p>The <code class="literal">-r</code> option causes <span class="command"><strong>cygcheck</strong></span>
to search your registry for information that is relevant to Cygwin
programs. These registry entries are the ones that have "Cygwin" in the
name. If you are paranoid about privacy, you may remove information from
this report, but please keep in mind that doing so makes it harder to
diagnose your problems.</p><p>In contrast to the other options that search the packages that are
installed on your local system, the <code class="literal">-p</code> option can be
used to search the entire official Cygwin package repository. It takes as
argument a Perl-compatible regular expression which is used to match
package names, package descriptions, and path/filenames of the contents
of packages. This feature requires an active internet connection, since
it must query the <code class="literal">cygwin.com</code> web site. In fact, it is
equivalent to the search that is available on the <a class="ulink" href="https://cygwin.com/packages/" target="_top">Cygwin package listing</a>
page.</p><p>For example, perhaps you are getting an error because you are missing
a certain DLL and you want to know which package includes that file:
</p><div class="example"><a name="utils-search-ex"></a><p class="title"><b>Example 3.6. Searching all packages for a
file</b></p><div class="example-contents"><pre class="screen">
$ cygcheck -p 'cygintl-2\.dll'
Found 1 matches for 'cygintl-2\.dll'.
libintl2-0.12.1-3 GNU Internationalization runtime library
$ cygcheck -p 'libexpat.*\.a'
Found 2 matches for 'libexpat.*\.a'.
expat-1.95.7-1 XML parser library written in C
expat-1.95.8-1 XML parser library written in C
$ cygcheck -p '/ls\.exe'
Found 2 matches for '/ls\.exe'.
coreutils-5.2.1-5 GNU core utilities (includes fileutils, sh-utils and textutils)
coreutils-5.3.0-6 GNU core utilities (includes fileutils, sh-utils and textutils)
</pre></div></div><br class="example-break"><p>Note that this option takes a regular expression, not a glob or
wildcard. This means that you need to use <code class="literal">.*</code> if you
want something similar to the wildcard <code class="literal">*</code> commonly used
in filename globbing. Similarly, to match the period character you should
use <code class="literal">\.</code> since the <code class="literal">.</code> character in a
regexp is a metacharacter that will match any character. Also be aware
that the characters such as <code class="literal">\</code> and <code class="literal">*</code>
are shell metacharacters, so they must be either escaped or quoted, as in
the example above.</p><p>The third example above illustrates that if you want to match a whole
filename, you should include the <code class="literal">/</code> path seperator. In
the given example this ensures that filenames that happen to end in
<code class="literal">ls.exe</code> such as <code class="literal">ncftpls.exe</code> are not
shown. Note that this use does not mean "look for packages with
<code class="literal">ls</code> in the root directory," since the
<code class="literal">/</code> can match anywhere in the path. It's just there to
anchor the match so that it matches a full filename.</p><p>By default the matching is case-sensitive. To get a case insensitive
match, begin your regexp with <code class="literal">(?i)</code> which is a
PCRE-specific feature. For complete documentation on Perl-compatible
regular expression syntax and options, read the <span class="command"><strong>perlre</strong></span>
manpage, or one of many websites such as <code class="literal">perldoc.com</code>
that document the Perl language.</p><p>The <span class="command"><strong>cygcheck</strong></span> program should be used to send
information about your system for troubleshooting when requested. When
asked to run this command save the output so that you can email it, for
example:</p><pre class="screen">
<code class="prompt">$</code> <strong class="userinput"><code>cygcheck -s -v -r -h > cygcheck_output.txt</code></strong>
</pre><p> Each Cygwin DLL stores its path and installation key in the
registry. This allows troubleshooting of problems which could be a result
of having multiple concurrent Cygwin installations. However, if you're
experimenting a lot with different Cygwin installation paths, your
registry could accumulate a lot of old Cygwin installation entries for
which the installation doesn't exist anymore. To get rid of these
orphaned registry entries, use the <span class="command"><strong>cygcheck
--delete-orphaned-installation-keys</strong></span> command.</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="chattr.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="using-utils.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="cygpath.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">chattr </td><td width="20%" align="center"><a accesskey="h" href="cygwin-ug-net.html">Home</a></td><td width="40%" align="right" valign="top"> cygpath</td></tr></table></div></body></html>
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