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POThis is how I installed JRuby on Windows -> Why did it not work?
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copied!<pre><code>* Download JRuby 1.20. (zip file) * Extract the zip into C:\JRuby120 * Edit sytem "environment variables": * Add JRUBY_HOME -> point it to C:\JRuby120 * Modify the PATH environment variable to point to C:\JRuby120\bin; </code></pre> <p>After all this, I open up cmd.exe and type <strong>jruby</strong></p> <p>->"The system cannot find the path specified"</p> <p>What did I do wrong?</p> <p>I removed echo_off from C:\JRuby120\bin\jruby.bat, C:\JRuby120\bin_jrubyvars.bat and C:\JRuby120\bin_jrubyvmopts.bat and invoked jruby from cmd.exe. This was the output:</p> <pre><code>C:\>rem --------------------------------------------------------------------------- C:\>rem jruby.bat - Start Script for the JRuby Interpreter C:\>rem C:\>rem for info on environment variables, see internal batch script _jrubyvars.bat C:\>setlocal C:\>rem Sometimes, when jruby.bat is being invoked from another BAT file, C:\>rem C:\JRuby120\bin\ is incorrect and points to the current dir, not to JRuby's bin dir, C:\>rem so we look on the PATH in such cases. C:\>IF EXIST "C:\JRuby120\bin\_jrubyvars.bat" (set FULL_PATH=C:\JRuby120\bin\ ) ELSE (set FULL_PATH=C:\JRuby120\bin\ ) C:\>call "C:\JRuby120\bin\_jrubyvars.bat" C:\>rem Environment Variable Prequisites: C:\>rem C:\>rem JRUBY_OPTS (Optional) Default JRuby command line args. C:\>rem C:\>rem JAVA_HOME Must point at your Java Development Kit installation. C:\>rem C:\>rem ----- Save Environment Variables That May Change -------------------------- C:\>set _CLASSPATH=.; C:\>set _CP= C:\>set _JRUBY_CP= C:\>set JRUBY_BAT_ERROR=0 C:\>rem ----- Verify and Set Required Environment Variables ----------------------- C:\>if not "C:\Program Files\Java\jdk1.6.0_11\bin" == "" goto gotJava C:\>set JRUBY_HOME=C:\JRuby120\bin\.. C:\>rem ----- Prepare Appropriate Java Execution Commands ------------------------- C:\>if not "" == "" goto gotCommand C:\>set _JAVA_COMMAND= C:\>set JAVA_COMMAND=java C:\>if not "Windows_NT" == "Windows_NT" goto noTitle C:\>rem set _STARTJAVA=start "JRuby" "C:\Program Files\Java\jdk1.6.0_11\bin\bin\java" C:\>set _STARTJAVA=C:\Program Files\Java\jdk1.6.0_11\bin\bin\java C:\>goto gotTitle C:\>rem ----- Set up the VM options C:\>call "C:\JRuby120\bin\_jrubyvmopts" C:\>set _MEM=-Xmx500m C:\>if not defined JAVA_MEM goto memOptDone C:\>set _STK=-Xss1024k C:\>if not defined JAVA_STACK goto stackOptDone C:\>set _VM_OPTS= C:\>set _RUBY_OPTS= C:\>set _DFLT_VM_OPTS= C:\>set _JAVA_VM=-client C:\>set SAFE_JAVA_HOME=C:\Program Files\Java\jdk1.6.0_11\bin C:\>set SAFE_JAVA_HOME=C:\Program Files\Java\jdk1.6.0_11\bin C:\>rem C:\>rem Can you believe I'm rewriting batch arg processing in batch files because batch C:\>rem file arg processing sucks so bad? Can you believe this is even possible? C:\>rem http://support.microsoft.com/kb/71247 C:\>rem Escape any quotes. Use _S for ', _D for ", and _U to escape _ itself. C:\>rem We have to escape _ itself, otherwise file names with _S and _D C:\>rem will be converted to to wrong ones, when we un-escape. See JRUBY-2821. C:\>set _ARGS= C:\>if not defined _ARGS goto vmoptsDone C:\>set _VM_OPTS= -client -Xmx500m -Xss1024k C:\>set _DFLT_VM_OPTS= C:\>set _MEM= C:\>set _STK= C:\>set _ARGS= C:\>set _VAL= C:\>set _CMP= C:\>set _CMP1= C:\>set _JAVA_VM= C:\>set _RUNJAVA="C:\Program Files\Java\jdk1.6.0_11\bin\bin\java" C:\>rem ----- Set Up The Boot Classpath ---------------------------------------- C:\>for %i in ("C:\JRuby120\bin\..\lib\jruby*.jar") do @call :setjrubycp %i C:\>if not "" == "" goto addjrubycp C:\>set JRUBY_CP=C:\JRuby120\bin\..\lib\jruby.jar C:\>goto :EOF C:\>for %i in ("C:\JRuby120\bin\..\lib\bsf*.jar") do @call :setjrubycp %i C:\>if not "C:\JRuby120\bin\..\lib\jruby.jar" == "" goto addjrubycp C:\>set JRUBY_CP=C:\JRuby120\bin\..\lib\jruby.jar;C:\JRuby120\bin\..\lib\bsf.jar C:\>goto :EOF C:\>rem ----- Set Up The System Classpath ---------------------------------------- C:\>for %i in ("C:\JRuby120\bin\..\lib\*.jar") do @call :setcp %i C:\>if not "" == "" goto add C:\>set CP=C:\JRuby120\bin\..\lib\bsf.jar C:\>goto :EOF C:\>if not "C:\JRuby120\bin\..\lib\bsf.jar" == "" goto add C:\>set CP=C:\JRuby120\bin\..\lib\bsf.jar;C:\JRuby120\bin\..\lib\jruby.jar C:\>goto :EOF C:\>if not "C:\JRuby120\bin\..\lib\bsf.jar;C:\JRuby120\bin\..\lib\jruby.jar" == "" goto add C:\>set CP=C:\JRuby120\bin\..\lib\bsf.jar;C:\JRuby120\bin\..\lib\jruby.jar;C:\JRuby120\bin\..\lib\profile.jar C:\>goto :EOF C:\>goto :EOF C:\>if 0 == 0 "C:\Program Files\Java\jdk1.6.0_11\bin\bin\java" -client -Xmx500m -Xss1024k -Xbootclasspath/a:"C:\JRuby120\bin\..\lib\jruby.jar;C:\JRuby120\bin\..\lib\bsf.jar" -classpath "C:\JRuby120\bin\..\lib\bsf.jar;C:\JRuby120\bin\..\lib\jruby.jar;C:\JRuby120\bin\..\lib\profile.jar;.;" -Djruby.home="C:\JRuby120\bin\.." -Djruby.lib="C:\JRuby120\bin\..\lib" -Djruby.shell="cmd.exe" -Djruby.script=jruby.bat org.jruby.Main C:\>set E=3 C:\>call "C:\JRuby120\bin\_jrubycleanup" </code></pre>

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