Re: Counting files in a dir

[Fermin Da Costa Gomez]

Ivan Ivanov wrote:
Fermin,
you should check[1] to see the exact versions of the
third party libraries.
 

Thank you. I found that out by reading through the apache site and doing 
some more googling.
Turns out that i needed 3 additional jars of which the Rhino one was unusal.
But, i'v got it running.

I use successfully such scripts with Eclipse, but I do
not used the ant distribution bundled with Eclipse.
Instead, I have "standalone" ant installation on my
disk and I configured Eclipse to use it. I point Ant
Home from Window->Preferences->Ant->Runtime and I then
add the third party jars from $HOME/.ant/lib in the
classpath.
 

Thx again,
Fermin DCG
HTH Ivan
[1]http://ant.apache.org/manual/install.html#librarydependencies
--- Fermin Da Costa <[EMAIL PROTECTED]> wrote:
 

Thx a lot, much appreciated.
I have not been able to run it yet though because
running it from
eclipse i keep on getting errors.
1st was bsf related,  fixed that.
Than i got a rhino error, fixed that by stuffing the
js.jar in there.
Now i get a NoSuchMethod error. Haven't done this
one yet.
Well, i'm guessing it should work so i'll just
continue.
Cheers,
Fermin DCG
On Apr 5, 2005 10:56 AM, Ivan Ivanov
<[EMAIL PROTECTED]> wrote:
   

Hello, Fermin,
You can do 2. with javascript:
<project>
 <scriptdef name="countFiles"
     

language="javascript">
   

   <attribute name="dir"/>
   <attribute name="extension"/>
   <attribute name="property"/>
   <![CDATA[
     importClass(java.io.File);
     importClass(java.io.FileFilter);
     f = new File(attributes.get("dir"));
     e = attributes.get("extension");
     filter = new FileFilter() {
       accept: function(file) {
         s = file.getName();
         if (s.endsWith(e)) {
           return true;
         }
       }
     };
     c = f.listFiles(filter).length;
project.setNewProperty(attributes.get("property"),
     

c);
   

   ]]>
 </scriptdef>
 <countFiles dir="${basedir}" property="xmlfiles"
extension=".xml"/>
 <echo>$${xmlfiles} is ${xmlfiles}</echo>
 <countFiles dir="${basedir}" property="txtfiles"
extension=".txt"/>
 <echo>$${txtfiles} is ${txtfiles}</echo>
 <condition property="prop">
   <equals arg1="${txtfiles}" arg2="2"/>
 </condition>
 <fail unless="prop" message="txt files count
     

does
   

not match"/>
</project>
In fact, I often need to extract information about
files and I thought to do a "lib" of <scriptdef>s
     

like
   

the one above to improve reusability. However, I
     

wrote
   

an ordinary Ant task that does the job, because it
     

is
   

easier for me to deploy (plus I am not very good
     

at
   

javascript). You can see this task at [1].
HTH
Ivan
     

[1]http://marc.theaimsgroup.com/?l=ant-user&m=110987001620450&w=2
 

--- Fermin Da Costa Gomez <[EMAIL PROTECTED]>
wrote:
     

Hi,
What would be the best way to do the following:
1. Going into a directory (this is ok)
2. Counting the number of files of type x
       

(getting
   

files is ok, *counting* is an
issue)
3. Depending on the count do something (break
       

out of
   

the target)
Items 2. and 3. are bugging me somewhat (esp the
counting bit in 2).
Does anybody have a suggestion as to how i can
accomplish this?
tia,
Fermin DCG
       

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