$ Rscript -e "ant::ant()"
ant home :  /usr/local/lib/R/library/ant/apache-ant 
Buildfile: build.xml

test:
    [r-run] hello world
    [r-run]  [1]  0.1809176 -0.7331938 -1.0052853  0.3244563  1.5193541  2.1568153
    [r-run]  [7]  0.7674739 -0.3447525  1.0962533  1.4399139  0.8860172 -0.3288515
    [r-run] [13] -0.9503106  1.0085841 -1.4205255  0.3163338 -0.7097068 -1.6258729
    [r-run] [19]  1.0531253 -0.4277697
    [r-run] target name :  test 
    [r-run] location of this task : /home/romain/svn/orchestra/pkg/ant/inst/examples/build.xml (line 39)
     [echo] 
     [echo]     R home        : /usr/local/lib/R
     [echo]     R version     : R version 2.10.0 Under development (unstable) (2009-08-05 r49067)
     [echo]     rJava home    : /usr/local/lib/R/library/rJava
     [echo]     rJava version : 0.7-1
     [echo]     alphabet      : abcdefghijklmnopqrstuvwxyz
     [echo]  

BUILD SUCCESSFUL
Total time: 1 second