On Monday 18 March 2002 19:11 pm, John Guthrie wrote:
> I want to have a "help" target that will list out all the possible targets
> in the build.xml. There are three ways I think I could implement it, from
> easiest-and-ugliest getting more elegant (my opinion) but also requiring
> more work. Again, suggestions and opinions are welcome.
See the -projecthelp option of ant:
...
ant [options] [target [target2 [target3] ...]]
Options:
...
-projecthelp print project help information
> A. just put in a bunch of "echo" tasks stating what I want stated. Makes
> for a big ugly target
with make this is easily solved with a sed script:
help:
@echo Please use one of these targets:
@sed -n -e '/^#/d;/ /d;s/^\([a-zA-Z]*.*\):.*/\1/p' < Makefile
With ant it's a bit more work if you wanna customize it. i'd recommend the
-projecthelp, for consistency with other ant projects.
> C. write a taskdef that gets an enumeration of all targets in a build.xml
> (I figure that is accessible somewhere in ant),
>From an Ant task you have full access to the project, tasks, etc. Pretty neat
stuff.
----- stephan
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