title: grep: warning: recursive directory loop
body: <p>I'm using Xshell to ssh an Unix server, and I'm trying to search for files containing specific text..</p>
  
  <p>The command I'm using is: <code>grep -ilr "blah_blah_text" ./</code></p>
  
  <p>It found what I was looking for, but it also gave these warnings:</p>
  
  <blockquote>
    <p>grep: warning: ./svn/pages/dvorak/xhtml/mh370/ocean/dvorak/found:
    recursive directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/dvorak/xhtml/mh370/ocean/dvorak/testing/sea: recursive
    directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/dvorak/xhtml/mh370/ocean/dvorak/testing/found: recursive
    directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/dvorak/xhtml/mh370/ocean/testing/dvorak/found: recursive
    directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/dvorak/xhtml/mh370/ocean/testing/dvorak/monday: recursive
    directory loop</p>
    
    <p>grep: warning: ./svn/pages/dvorak/xhtml/mh370/ocean/testing/found:
    recursive directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/dvorak/xhtml/mh370/testing/dvorak/ocean/sea: recursive
    directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/dvorak/xhtml/mh370/testing/dvorak/ocean/monday: recursive
    directory loop</p>
    
    <p>grep: warning: ./svn/pages/dvorak/xhtml/mh370/testing/dvorak/monday:
    recursive directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/dvorak/xhtml/mh370/testing/ocean/dvorak/found: recursive
    directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/dvorak/xhtml/mh370/testing/ocean/dvorak/monday: recursive
    directory loop</p>
    
    <p>grep: warning: ./svn/pages/dvorak/xhtml/mh370/testing/ocean/monday:
    recursive directory loop</p>
    
    <p>grep: warning: ./svn/pages/gulf/xhtml/qwerty/ocean/dvorak/found:
    recursive directory loop</p>
    
    <p>grep: warning: ./svn/pages/gulf/xhtml/qwerty/ocean/dvorak/testing/sea:
    recursive directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/gulf/xhtml/qwerty/ocean/dvorak/testing/found: recursive
    directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/gulf/xhtml/qwerty/ocean/testing/dvorak/found: recursive
    directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/gulf/xhtml/qwerty/ocean/testing/dvorak/monday: recursive
    directory loop</p>
    
    <p>grep: warning: ./svn/pages/gulf/xhtml/qwerty/ocean/testing/found:
    recursive directory loop</p>
    
    <p>grep: warning: ./svn/pages/gulf/xhtml/qwerty/dvorak/ocean/sea:
    recursive directory loop</p>
    
    <p>grep: warning: ./svn/pages/gulf/xhtml/qwerty/dvorak/ocean/testing/sea:
    recursive directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/gulf/xhtml/qwerty/dvorak/ocean/testing/found: recursive
    directory loop</p>
    
    <p>grep: warning: ./svn/pages/gulf/xhtml/qwerty/dvorak/testing/sea:
    recursive directory loop</p>
    
    <p>grep: warning: ./svn/pages/gulf/xhtml/qwerty/dvorak/testing/ocean/sea:
    recursive directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/gulf/xhtml/qwerty/dvorak/testing/ocean/monday: recursive
    directory loop</p>
    
    <p>grep: warning: ./svn/pages/india/xhtml/abcd/testing/dvorak/ocean/sea:
    recursive directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/india/xhtml/abcd/testing/dvorak/ocean/monday: recursive
    directory loop</p>
    
    <p>grep: warning: ./svn/pages/india/xhtml/abcd/testing/dvorak/monday:
    recursive directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/india/xhtml/abcd/testing/ocean/dvorak/found: recursive
    directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/india/xhtml/abcd/testing/ocean/dvorak/monday: recursive
    directory loop</p>
    
    <p>grep: warning: ./svn/pages/india/xhtml/abcd/testing/ocean/monday:
    recursive directory loop</p>
    
    <p>grep: warning: ./svn/pages/india/xhtml/abcd/dvorak/ocean/sea:
    recursive directory loop</p>
    
    <p>grep: warning: ./svn/pages/india/xhtml/abcd/dvorak/ocean/testing/sea:
    recursive directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/india/xhtml/abcd/dvorak/ocean/testing/found: recursive
    directory loop</p>
    
    <p>grep: warning: ./svn/pages/india/xhtml/abcd/dvorak/testing/sea:
    recursive directory loop</p>
    
    <p>grep: warning: ./svn/pages/india/xhtml/abcd/dvorak/testing/ocean/sea:
    recursive directory loop</p>
    
    <p>grep: warning:
    ./svn/pages/india/xhtml/abcd/dvorak/testing/ocean/monday: recursive
    directory loop</p>
  </blockquote>
  
  <p>What do these messsages mean?</p>