| Invoking a target (Ant 1.7) in a loop (Ant-Contrib) | Invoking a target (Ant 1.7) in a loop (Ant-Contrib) 2007-01-17 - By Steve Loughran
Rebo, Alex wrote:
> Hello!
>
> In attempt to compute checksums for all files in a directory I wrote this:
>
> <fileset id="myLibs" dir="${extention}">
> <include name="*.jar"/>
> </fileset>
>
> .....
>
> <target name="thisTargetName">
> <foreach target="computeCheckSum" param="fileToWorkOn"
> inheritall="true">
> <path>
> <fileset refid="myLibs" />
> </path>
> </foreach>
> </target>
>
> ....
>
> <target name="computeCheckSum">
> <checksum file="${fileToWorkOn}" algorithm="MD5" />
> <echo>
> Created checksum file for ${fileToWorkOn}.
> </echo>
> </target>
I want to ask an even sillier question. why not just hand the entire
fileset to <checksum>?
<checksum algorithm="MD5" >
<fileset refid="myLibs" />
</checksum>
No macros, no iteration; ant does the bulk work with depdnency logic.
See example 7 and 8 in the checksum page in teh manual.
Remember: most Ant tasks are designed to work in bulk, with filesets or
paths as params. In Ant 1.7, many support resources, which provides you
even more ways to source data.
-Steve
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