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| author | Stefan Fritsch <sf@apache.org> | 2011-05-14 17:12:33 +0200 |
|---|---|---|
| committer | Stefan Fritsch <sf@apache.org> | 2011-05-14 17:12:33 +0200 |
| commit | a88e191cd578b8d765fb199d34618ddb7d2428bf (patch) | |
| tree | 4f12fe40734364772d4d7ff06efb63247ea2a75e /docs/manual/expr.html.en | |
| parent | Update. (diff) | |
| download | apache2-a88e191cd578b8d765fb199d34618ddb7d2428bf.tar.xz apache2-a88e191cd578b8d765fb199d34618ddb7d2428bf.zip | |
Also add the -U and -F operators for doing subrequest lookups to ap_expr.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1103126 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'docs/manual/expr.html.en')
| -rw-r--r-- | docs/manual/expr.html.en | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/docs/manual/expr.html.en b/docs/manual/expr.html.en index f0e9c20775..f2e0f95cf2 100644 --- a/docs/manual/expr.html.en +++ b/docs/manual/expr.html.en @@ -319,21 +319,38 @@ listfunction ::= listfuncname "<strong>(</strong>" word "<strong>)</strong>" <h2><a name="unnop" id="unnop">Unary operators</a></h2> - <p>Unary operators have the form "<code>-[a-zA-Z]</code>", i.e. a - minus and one character. The name <em>is</em> case sensitive. + <p>Unary operators take one argument and have the form + "<code>-[a-zA-Z]</code>", i.e. a minus and one character. + The name <em>is</em> case sensitive. Modules may register additional unary operators.</p> <table class="bordered"><tr class="header"><th>Name</th><th>Description</th></tr> <tr><td><code>-d</code></td> - <td>True if file exists and is a directory</td></tr> + <td>The argument is treated as a filename. + True if the file exists and is a directory</td></tr> <tr class="odd"><td><code>-e</code></td> - <td>True if file (or dir or special) exists</td></tr> + <td>The argument is treated as a filename. + True if the file (or dir or special) exists</td></tr> <tr><td><code>-f</code></td> - <td>True if file exists and is regular file</td></tr> + <td>The argument is treated as a filename. + True if the file exists and is regular file</td></tr> <tr class="odd"><td><code>-L</code></td> - <td>True if file exists and is symlink</td></tr> + <td>The argument is treated as a filename. + True if the file exists and is symlink</td></tr> <tr><td><code>-h</code></td> - <td>True if file exists and is symlink (same as <code>-L</code>)</td></tr> + <td>The argument is treated as a filename. + True if the file exists and is symlink + (same as <code>-L</code>)</td></tr> +<tr class="odd"><td><code>-F</code></td> + <td>True if string is a valid file, accessible via all the server's + currently-configured access controls for that path. This uses an + internal subrequest to do the check, so use it with care - it can + impact your server's performance!</td></tr> +<tr><td><code>-U</code></td> + <td>True if string is a valid URL, accessible via all the server's + currently-configured access controls for that path. This uses an + internal subrequest to do the check, so use it with care - it can + impact your server's performance!</td></tr> <tr class="odd"><td><code>-n</code></td> <td>True if string is not empty</td></tr> <tr><td><code>-z</code></td> |