I think by now you should read up on Ant and understand the basic
concepts before proceeding...
Met een vriendelijke groet,
Ernst de Haan
PensioenPage B.V.
www.pensioenpage.com
tel. (026) 364 56 34
Op 18 sep 2009 om 18:53 heeft veena pandit <[email protected]> het
volgende geschreven:\
So how would I write it in the build.xml
for c in A B C D E; do
perl -ibak process.pl abc.txt
perl -ibak process.pl def.txt
perl -ibak proces.pl xyz.txt
- mkdir Backup
mv *bak Backup
Not clear what this is doing; but it is executing the same pl file
against
different input files.
Sorry, but I don't quite get it yet.
Thanks,
Veena
On Fri, Sep 18, 2009 at 12:41 PM, Ernst de Haan <[email protected]
>wrote:
The Ant way to process multiple Perl files would be:
<perl dir="src/perl" todir="build" includes="*.pl" />
See? It's a different way of thinking...
Met een vriendelijke groet,
Ernst de Haan
PensioenPage B.V.
www.pensioenpage.com
tel. (026) 364 56 34
Op 18 sep 2009 om 17:12 heeft veena pandit <[email protected]> het
volgende geschreven:\
Do you mind posting a small example of the exec command with the
script:
for c in A B C D E; do?
Thanks,
Veena
On Fri, Sep 18, 2009 at 10:38 AM, John Shott <[email protected]>
wrote:
Veena:
for c in A B C D E; do
perl ...
perl ...
perl...
- mkdir Backup
mv *bak Backup
How do I move this script over to ant build.xml.
This is probably a bit hard to answer. In principle, you can
simply
call
the existing script using something like the exec task along with
appropriate arg values. Or, you can consider breaking the script
apart
and
call individual perl scripts with appropriate arguments. In
general,
however, I think that you'll be happier if you are able to use the
built-in
ant tasks wherever possible and resort to things like the exec
task only
when you absolutely need to.
While I'm not a great authority on either make or ant, I did
spend a
great
deal of time converting a good sized project with a bunch of
Makefiles to
an
ant-based build. My experience is that if you try to simply do a
line-by-line conversion of your Makefiles into the ant
equivalent, that
you
will not be terribly happy with the result. Why? Ant is not
make and
they
approach things differently.
I suspect that you'll be a lot happier with the result if you look
carefully at what Make is doing, make sure that you understand that
fully,
and then look at ant to see how some of it's tasks can be
harnessed to do
the same thing. For example, make tends to do things on a
directory by
directory basis whereas ant has a much more sophisticated (to me at
least)
means of specifying filesets that become the target of a task.
Also, ant
now has a wide range of tasks that perform interesting and often
complex
elements of a build in a single step. You may even find it
desirable (if
you have that flexibility) to restructure your source tree in a
more "ant
friendly" structure. You may also find that some of the things
that your
Perl scripts are doing are conveniently doable by ant tasks so
that when
everything is done, instead of having a handful of Makefiles plus
Perl
scripts that you may have a single build.xml file. Of course, not
knowing
what your Perl scripts are doing .... they may be doing things
that would
be
hard to do in ant.
I hope that helps,
John
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