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Changes to grep/manual/html_node/File-and-Directory-Selection.html,v
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From: |
Jim Meyering |
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Subject: |
Changes to grep/manual/html_node/File-and-Directory-Selection.html,v |
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Date: |
Tue, 24 Apr 2012 08:04:09 +0000 |
CVSROOT: /webcvs/grep
Module name: grep
Changes by: Jim Meyering <meyering> 12/04/24 08:04:00
Index: html_node/File-and-Directory-Selection.html
===================================================================
RCS file: /webcvs/grep/grep/manual/html_node/File-and-Directory-Selection.html,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -b -r1.10 -r1.11
--- html_node/File-and-Directory-Selection.html 2 Mar 2012 09:28:29 -0000
1.10
+++ html_node/File-and-Directory-Selection.html 24 Apr 2012 08:03:55 -0000
1.11
@@ -1,8 +1,8 @@
<html lang="en">
<head>
-<title>File and Directory Selection - GNU Grep 2.11</title>
+<title>File and Directory Selection - GNU Grep 2.12</title>
<meta http-equiv="Content-Type" content="text/html">
-<meta name="description" content="GNU Grep 2.11">
+<meta name="description" content="GNU Grep 2.12">
<meta name="generator" content="makeinfo 4.13">
<link title="Top" rel="start" href="index.html#Top">
<link rel="up" href="Command_002dline-Options.html#Command_002dline-Options"
title="Command-line Options">
@@ -72,12 +72,17 @@
if the terminal driver interprets some of it as commands.
<br><dt><samp><span class="option">-D
</span><var>action</var></samp><dt><samp><span
class="option">--devices=</span><var>action</var></samp><dd><a
name="index-g_t_002dD-98"></a><a name="index-g_t_002d_002ddevices-99"></a><a
name="index-device-search-100"></a>If an input file is a device, FIFO, or
socket, use <var>action</var> to process it.
-By default, <var>action</var> is ‘<samp><span
class="samp">read</span></samp>’,
-which means that devices are read just as if they were ordinary files.
+If <var>action</var> is ‘<samp><span
class="samp">read</span></samp>’,
+all devices are read just as if they were ordinary files.
If <var>action</var> is ‘<samp><span
class="samp">skip</span></samp>’,
devices, FIFOs, and sockets are silently skipped.
+By default, devices are read if they are on the command line or if the
+<samp><span class="option">-R</span></samp> (<samp><span
class="option">--dereference-recursive</span></samp>) option is used, and are
+skipped if they are encountered recursively and the <samp><span
class="option">-r</span></samp>
+(<samp><span class="option">--recursive</span></samp>) option is used.
+This option has no effect on a file that is read via standard input.
- <br><dt><samp><span class="option">-d
</span><var>action</var></samp><dt><samp><span
class="option">--directories=</span><var>action</var></samp><dd><a
name="index-g_t_002dd-101"></a><a
name="index-g_t_002d_002ddirectories-102"></a><a
name="index-directory-search-103"></a>If an input file is a directory, use
<var>action</var> to process it.
+ <br><dt><samp><span class="option">-d
</span><var>action</var></samp><dt><samp><span
class="option">--directories=</span><var>action</var></samp><dd><a
name="index-g_t_002dd-101"></a><a
name="index-g_t_002d_002ddirectories-102"></a><a
name="index-directory-search-103"></a><a name="index-symbolic-links-104"></a>If
an input file is a directory, use <var>action</var> to process it.
By default, <var>action</var> is ‘<samp><span
class="samp">read</span></samp>’,
which means that directories are read just as if they were ordinary files
(some operating systems and file systems disallow this,
@@ -85,32 +90,38 @@
to print error messages for every directory or silently skip them).
If <var>action</var> is ‘<samp><span
class="samp">skip</span></samp>’, directories are silently skipped.
If <var>action</var> is ‘<samp><span
class="samp">recurse</span></samp>’,
-<samp><span class="command">grep</span></samp> reads all files under each
directory, recursively;
+<samp><span class="command">grep</span></samp> reads all files under each
directory, recursively,
+following command-line symbolic links and skipping other symlinks;
this is equivalent to the <samp><span class="option">-r</span></samp> option.
- <br><dt><samp><span
class="option">--exclude=</span><var>glob</var></samp><dd><a
name="index-g_t_002d_002dexclude-104"></a><a
name="index-exclude-files-105"></a><a
name="index-searching-directory-trees-106"></a>Skip files whose base name
matches <var>glob</var>
+ <br><dt><samp><span
class="option">--exclude=</span><var>glob</var></samp><dd><a
name="index-g_t_002d_002dexclude-105"></a><a
name="index-exclude-files-106"></a><a
name="index-searching-directory-trees-107"></a>Skip files whose base name
matches <var>glob</var>
(using wildcard matching).
A file-name glob can use
‘<samp><span class="samp">*</span></samp>’, ‘<samp><span
class="samp">?</span></samp>’, and ‘<samp><span
class="samp">[</span></samp>’...‘<samp><span
class="samp">]</span></samp>’ as wildcards,
and <code>\</code> to quote a wildcard or backslash character literally.
- <br><dt><samp><span
class="option">--exclude-from=</span><var>file</var></samp><dd><a
name="index-g_t_002d_002dexclude_002dfrom-107"></a><a
name="index-exclude-files-108"></a><a
name="index-searching-directory-trees-109"></a>Skip files whose base name
matches any of the file-name globs
+ <br><dt><samp><span
class="option">--exclude-from=</span><var>file</var></samp><dd><a
name="index-g_t_002d_002dexclude_002dfrom-108"></a><a
name="index-exclude-files-109"></a><a
name="index-searching-directory-trees-110"></a>Skip files whose base name
matches any of the file-name globs
read from <var>file</var> (using wildcard matching as described
under <samp><span class="option">--exclude</span></samp>).
- <br><dt><samp><span
class="option">--exclude-dir=</span><var>dir</var></samp><dd><a
name="index-g_t_002d_002dexclude_002ddir-110"></a><a
name="index-exclude-directories-111"></a>Exclude directories matching the
pattern <var>dir</var> from recursive
+ <br><dt><samp><span
class="option">--exclude-dir=</span><var>dir</var></samp><dd><a
name="index-g_t_002d_002dexclude_002ddir-111"></a><a
name="index-exclude-directories-112"></a>Exclude directories matching the
pattern <var>dir</var> from recursive
directory searches.
<br><dt><samp><span class="option">-I</span></samp><dd>Process a binary
file as if it did not contain matching data;
this is equivalent to the ‘<samp><span
class="samp">--binary-files=without-match</span></samp>’ option.
- <br><dt><samp><span
class="option">--include=</span><var>glob</var></samp><dd><a
name="index-g_t_002d_002dinclude-112"></a><a
name="index-include-files-113"></a><a
name="index-searching-directory-trees-114"></a>Search only files whose base
name matches <var>glob</var>
+ <br><dt><samp><span
class="option">--include=</span><var>glob</var></samp><dd><a
name="index-g_t_002d_002dinclude-113"></a><a
name="index-include-files-114"></a><a
name="index-searching-directory-trees-115"></a>Search only files whose base
name matches <var>glob</var>
(using wildcard matching as described under <samp><span
class="option">--exclude</span></samp>).
- <br><dt><samp><span class="option">-r</span></samp><dt><samp><span
class="option">-R</span></samp><dt><samp><span
class="option">--recursive</span></samp><dd><a
name="index-g_t_002dr-115"></a><a
name="index-g_t_002d_002drecursive-116"></a><a
name="index-recursive-search-117"></a><a
name="index-searching-directory-trees-118"></a>For each directory operand,
+ <br><dt><samp><span class="option">-r</span></samp><dt><samp><span
class="option">--recursive</span></samp><dd><a
name="index-g_t_002dr-116"></a><a
name="index-g_t_002d_002drecursive-117"></a><a
name="index-recursive-search-118"></a><a
name="index-searching-directory-trees-119"></a><a
name="index-symbolic-links-120"></a>For each directory operand,
read and process all files in that directory, recursively.
+Follow symbolic links on the command line, but skip symlinks
+that are encountered recursively.
This is the same as the ‘<samp><span
class="samp">--directories=recurse</span></samp>’ option.
+ <br><dt><samp><span class="option">-R</span></samp><dt><samp><span
class="option">--dereference-recursive</span></samp><dd><a
name="index-g_t_002dR-121"></a><a
name="index-g_t_002d_002ddereference_002drecursive-122"></a><a
name="index-recursive-search-123"></a><a
name="index-searching-directory-trees-124"></a><a
name="index-symbolic-links-125"></a>For each directory operand, read and
process all files in that
+directory, recursively, following all symbolic links.
+
</dl>
</body></html>
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