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POHow can I get `find` to ignore .svn directories?
 

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  1. POHow can I get `find` to ignore .svn directories?
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    <p>I often use the <code>find</code> command to search through source code, delete files, whatever. Annoyingly, because Subversion stores duplicates of each file in its <code>.svn/text-base/</code> directories my simple searches end up getting lots of duplicate results. For example, I want to recursively search for <code>uint</code> in multiple <code>messages.h</code> and <code>messages.cpp</code> files:</p> <pre><code># find -name 'messages.*' -exec grep -Iw uint {} + ./messages.cpp: Log::verbose &lt;&lt; "Discarding out of date message: id " &lt;&lt; uint(olderMessage.id) ./messages.cpp: Log::verbose &lt;&lt; "Added to send queue: " &lt;&lt; *message &lt;&lt; ": id " &lt;&lt; uint(preparedMessage-&gt;id) ./messages.cpp: Log::error &lt;&lt; "Received message with invalid SHA-1 hash: id " &lt;&lt; uint(incomingMessage.id) ./messages.cpp: Log::verbose &lt;&lt; "Received " &lt;&lt; *message &lt;&lt; ": id " &lt;&lt; uint(incomingMessage.id) ./messages.cpp: Log::verbose &lt;&lt; "Sent message: id " &lt;&lt; uint(preparedMessage-&gt;id) ./messages.cpp: Log::verbose &lt;&lt; "Discarding unsent message: id " &lt;&lt; uint(preparedMessage-&gt;id) ./messages.cpp: for (uint i = 0; i &lt; 10 &amp;&amp; !_stopThreads; ++i) { ./.svn/text-base/messages.cpp.svn-base: Log::verbose &lt;&lt; "Discarding out of date message: id " &lt;&lt; uint(olderMessage.id) ./.svn/text-base/messages.cpp.svn-base: Log::verbose &lt;&lt; "Added to send queue: " &lt;&lt; *message &lt;&lt; ": id " &lt;&lt; uint(preparedMessage-&gt;id) ./.svn/text-base/messages.cpp.svn-base: Log::error &lt;&lt; "Received message with invalid SHA-1 hash: id " &lt;&lt; uint(incomingMessage.id) ./.svn/text-base/messages.cpp.svn-base: Log::verbose &lt;&lt; "Received " &lt;&lt; *message &lt;&lt; ": id " &lt;&lt; uint(incomingMessage.id) ./.svn/text-base/messages.cpp.svn-base: Log::verbose &lt;&lt; "Sent message: id " &lt;&lt; uint(preparedMessage-&gt;id) ./.svn/text-base/messages.cpp.svn-base: Log::verbose &lt;&lt; "Discarding unsent message: id " &lt;&lt; uint(preparedMessage-&gt;id) ./.svn/text-base/messages.cpp.svn-base: for (uint i = 0; i &lt; 10 &amp;&amp; !_stopThreads; ++i) { ./virus/messages.cpp:void VsMessageProcessor::_progress(const string &amp;fileName, uint scanCount) ./virus/messages.cpp:ProgressMessage::ProgressMessage(const string &amp;fileName, uint scanCount) ./virus/messages.h: void _progress(const std::string &amp;fileName, uint scanCount); ./virus/messages.h: ProgressMessage(const std::string &amp;fileName, uint scanCount); ./virus/messages.h: uint _scanCount; ./virus/.svn/text-base/messages.cpp.svn-base:void VsMessageProcessor::_progress(const string &amp;fileName, uint scanCount) ./virus/.svn/text-base/messages.cpp.svn-base:ProgressMessage::ProgressMessage(const string &amp;fileName, uint scanCount) ./virus/.svn/text-base/messages.h.svn-base: void _progress(const std::string &amp;fileName, uint scanCount); ./virus/.svn/text-base/messages.h.svn-base: ProgressMessage(const std::string &amp;fileName, uint scanCount); ./virus/.svn/text-base/messages.h.svn-base: uint _scanCount; </code></pre> <p>How can I tell <code>find</code> to ignore the <code>.svn</code> directories?</p> <hr> <p><strong>Update</strong>: If you upgrade your SVN client to <a href="http://subversion.apache.org/docs/release-notes/1.7.html#single-db" rel="noreferrer">version 1.7</a> this is no longer an issue.</p> <blockquote> <p>A key feature of the changes introduced in Subversion 1.7 is the centralization of working copy metadata storage into a single location. Instead of a <code>.svn</code> directory in every directory in the working copy, Subversion 1.7 working copies have just one <code>.svn</code> directory—in the root of the working copy. This directory includes (among other things) an SQLite-backed database which contains all of the metadata Subversion needs for that working copy.</p> </blockquote>
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    1. COFor performance, try to use `find ... -print0 | xargs -0 egrep ...` instead of `find ... -exec grep ...` (does not fork `grep` for each file, but for a bunch of files at a time). Using this form you can also prune `.svn` directories without using the `-prune` option of find, i.e. `find ... -print0 | egrep -v '/\.svn' | xargs -0 egrep ...`
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      1. POHow can I get `find` to ignore .svn directories?
      1. USvladr
    2. CO@Vlad: As far as I know, using `-exec` with `+` doesn't fork `grep` for each file, while using it with `;` does. Using **`-exec`** is actually **more correct** than using `xargs`. Please notice that commands like `ls` do something even if the argument list is empty, while commands like `chmod` give an error if there is insufficient arguments. To see what I mean, just try the following command in a directory that does not have any shell script: **`find /path/to/dir -name '*.sh' -print0 | xargs -0 chmod 755`**. Compare with this one: **`find /path/to/dir -name '*.sh' -exec chmod 755 '{}' '+'`**.
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      1. POHow can I get `find` to ignore .svn directories?
      1. USSiu Ching Pong -Asuka Kenji-
    3. CO@Vlad: Besides, `grep`-ing out `.svn` is not a good idea too. While `find` is specialized for handling file properties, `grep` does not. In your example, a file named **'.svn.txt'** will also be filtered by your `egrep` command. Although you can modify your regex to **'^/\.svn$'**, it is still not a good practice to do so. The **`-prune`** predicate of **`find`** works perfectly for filtering a file (by filename, or creation timestamp, or whatever condition you supplied). It is just like even if you can kill a cockroach using a big sword doesn't mean it is the suggested way to do so :-).
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      1. POHow can I get `find` to ignore .svn directories?
      1. USSiu Ching Pong -Asuka Kenji-
 

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