title: Unexpected operator error
body: <p>What is wrong in my code?</p>
  
  <pre><code>#!/bin/sh
  
  LOOK_FOR="$1"
  
  for i in `find $2 -name "*jar"`; do
    echo "Looking in $i ..."
    #jar tvf $i | grep $LOOK_FOR &gt; /dev/null
    jar tvf "$i" | grep "$LOOK_FOR" 
  
    if [ $? == 0 ] ; then
      echo "==&gt; Found \"$LOOK_FOR\" in $i"
    fi  
  done #line 13
  </code></pre>
  
  <p>Output</p>
  
  <pre><code>wk@wk-laptop:$ sh lookjar.sh org/apache/axis/message/addressing/EndpointReference  /media/0C06E20B06E1F61C/uengine/uengine
  Looking in /media/0C06E20B06E1F61C/uengine/uengine/defaultcompany/build/uengine_settings.jar ...
  [: 13: 1: unexpected operator
  Looking in /media/0C06E20B06E1F61C/uengine/uengine/defaultcompany/WebContent/uengine-web/lib/FCKeditor/WEB-INF/lib/commons-fileupload.jar ...
  [: 13: 1: unexpected operator
  Looking in /media/0C06E20B06E1F61C/uengine/uengine/defaultcompany/WebContent/uengine-web/lib/FCKeditor/WEB-INF/lib/FCKeditor-2.3.jar ...
  [: 13: 1: unexpected operator
  Looking in /media/0C06E20B06E1F61C/uengine/uengine/defaultcompany/WebContent/uengine-web/processmanager/signedmetaworks.jar ...
  [: 13: 1: unexpected operator
  Looking in /media/0C06E20B06E1F61C/uengine/uengine/hsqldb/lib/hsqldb.jar ...
  [: 13: 1: unexpected operator
  Looking in /media/0C06E20B06E1F61C/uengine/uengine/hsqldb/lib/servlet.jar ...
  [: 13: 1: unexpected operator
  Looking in /media/0C06E20B06E1F61C/uengine/uengine/src/lib/commons-discovery.jar ...
  [: 13: 1: unexpected operator
  Looking in /media/0C06E20B06E1F61C/uengine/uengine/src/lib/google.jar ...
  [: 13: 1: unexpected operator
  Looking in /media/0C06E20B06E1F61C/uengine/uengine/src/lib/jxl.jar ...
  </code></pre>