I have recently been investigating migrating RoR apps to JRoR, furthermore to Tomcat/JEE. This naturally means that I have both Ruby and JRuby installed at the same time, both on my
PATH variable, meaning one takes precedence over the other; in my case Ruby comes first.
Consequentially, I found myself typing in
jruby -S gem ... or
jruby -S rake ... a lot of the time and it started to annoy me. I took a look into the
JRUBY_HOME\bin folder and discovered there is the
jirb.bat script, obviously the JRuby equivalent to IRB. The inards are:
@ECHO OFF
IF NOT "%~f0" == "~f0" GOTO :WinNT
@"jruby.bat" -S "jirb" %1 %2 %3 %4 %5 %6 %7 %8 %9
GOTO :EOF
:WinNT
@"jruby.bat" "%~dpn0" %*
Pretty simple, ay? So what happens when you change the
jirb to
gem or
rake? Exactly what you expect, lol. Go ahead and do it, save the files as
jgem.bat and
jrake.bat, respectively.
You are now good to go. This should work for any executable-type script residing in your
JRUBY_HOME\bin e.g.
jwarble.bat.
I'm not sure why the JRuby team did/do not distribute these scripts as standard, especially for
gem and
rake, as they are as common as
irb.
Anyway, enjoy.
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