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Utility for searching java class files in the classpath

Installation

• Download jwhich from https://github.com/rh1247/jwhich/blob/master/releases/jwhich-1.01.zip
• create the <jwhich_dir>

% mkdir <jwhich_dir>

• unpack the jwhich.zip file in <jwhich_dir>

% cd <jwhich_dir>
% unzip <download_dir>/jwhich_src-1.01.zip

• Create a symbolic link to jwhich_dir/jwhich:

% ln -s <jwhich_dir>/jwhich /usr/bin/jwhich

• Make jwhich script executable

% chmod 755 <jwhich_dir>/jwhich

Usage

jwhich [options] <class_name_pattern> [<search_path>]

 Search a class in directories, zip or jar files

   <class_name_pattern>  pattern for a class name in glob style (* and ? wild cards)
   <search_path>          One or more directories, zip or jar files
                          if no search path is specified the working directory is used

Options:

   --verbose|-v            verbose mode.
   --ignore-case|-i        case insensitive matching of classnames
   --help|-h               print this usage
Examples:
   jwhich 'java.lang.*' $JAVA_HOME/lib/rt.jar

Start jwhich with

% jwhich

Compiling

You need JDK 6 and ant 1.7.1. Download it from

• http://www.oracle.com/technetwork/java/javase/downloads/index.html
• http://ant.apache.org

Download the source zip file from https://github.com/rh1247/jwhich/blob/master/releases/jwhich_src-1.01.zip

Unpack the source zip file and call ant

% unzip jwhich-1.01.zip
% cd jwhich-1.01
% ant