| For loop question | For loop question 2007-06-29 - By Scot P. Floess
Ah good point... I was just throwing something out there... But your
point here is certainly well taken... I like it :)
Burgess, Benjamin wrote:
> The common solution to this problem is to reference your @{argvalue} in
> the outputproperty name. So something like:
>
> <redirector outputproperty="@{argvalue}.result.property" />
>
> Ben
>
> -----Original Message-----
> From: broken connection [mailto:brokenconnection@(protected)]
> Sent: Friday, June 29, 2007 11:57 AM
> To: Ant Users List; floess@(protected)
> Subject: Re: For loop question
>
> Wow..now thats too much code for me!!!!!
> I don't want something that complex,is this the only way to accomplish
> this
> or some simpler way is also there, I was thinking of something like
> this:
>
> <for list="${pass1.property},${pass2.property},${pass3.property}"
> param="argvalue">
> <sequential>
>
> <exec executable="${ext}" >
> <arg value="/c"/>
> <arg value="execute.bat @{argvalue}"/>
> <redirector outputproperty="result.property" />
> </exec>
>
> </sequential>
> </for>
>
> <if>
> <equals arg1="${pass1.property}" />
> <then>
> <echo>"Do your stuff here for property1" />
> </then>
> </if>
> .....
> .....
> .....
>
> If not,I would try to understand your code,modify it and use for my
> needs.
> Thanks Again.....
>
> On 6/29/07, Scot P. Floess <floess@(protected)> wrote:
>
>> Interesting question... I actually had a need to iterate over a list
>> (using for loop construct) but needed the previous, current and next
>> elements in the list - certainly similar functionality. Here is my
>> macro def:
>>
>> <macrodef
>> name = "process-list"
>> description = "Allows one to iterate over a list/files and for
>> each element in the list know the previous, current and next values."
>> uri = "http://jplate.sourceforge.net/utility">
>>
>> <attribute name = "list" default = "" description =
>>
> "The
>
>> list to process."/>
>> <attribute name = "delimiter" default = "," description =
>>
> "The
>
>> delimiter for @{list}."/>
>> <attribute name = "previous" default =
>> "jplate-utility.PREVIOUS" description = "Name of property to hold
>> previous value in list."/>
>> <attribute name = "current" default =
>> "jplate-utility.CURRENT" description = "Name of property to hold
>> current value in list."/>
>> <attribute name = "next" default =
>> "jplate-utility.NEXT" description = "Name of property to hold
>>
> next
>
>> value in list."/>
>>
>> <element name = "path" optional = "true" description =
>> "Files to process."/>
>> <element name = "process" description = "When iterating over
>> @{list}/@{path}, process the contents contained here."/>
>>
>> <sequential>
>> <!--
>>
>> Initial settings...
>>
>> -->
>> <ant-contrib:var name = "@{previous}" value = ""/>
>> <ant-contrib:var name = "@{current}" value = ""/>
>> <ant-contrib:var name = "@{next}" value = ""/>
>>
>> <!--
>>
>> Iterate over files and/or the list, calling process
>> for each item. First iteration we skip as we want
>> to ensure we always have a previous, current and next.
>>
>> -->
>> <ant-contrib:for list = "@{list}" delimiter =
>> "@{delimiter}" param = "processlist">
>> <ant-contrib:path>
>> <path/>
>> </ant-contrib:path>
>>
>> <ant-contrib:sequential>
>> <ant-contrib:switch value = "${@{current}}">
>> <ant-contrib:case value = "">
>> <ant-contrib:var name = "@{current}"
>>
> value
>
>> = "@{processlist}"/>
>> </ant-contrib:case>
>>
>> <ant-contrib:default>
>> <ant-contrib:var name = "@{next}" value
>>
> =
>
>> "@{processlist}"/>
>>
>> <process/>
>>
>> <ant-contrib:var name = "@{previous}"
>> value = "${@{current}}"/>
>> <ant-contrib:var name = "@{current}"
>> value = "@{processlist}"/>
>> </ant-contrib:default>
>> </ant-contrib:switch>
>>
>> </ant-contrib:sequential>
>> </ant-contrib:for>
>>
>> <!--
>>
>> Need to call process with an empty next - meaning end
>>
> of
>
>> list.
>>
>> -->
>> <ant-contrib:var name = "@{next}" value = ""/>
>>
>> <process/>
>> </sequential>
>> </macrodef>
>>
>>
>>
>>
>> broken connection wrote:
>>
>>> Hi Friends,
>>> I have a simple "for" task question. I use this for task from
>>> ant-contrib:
>>>
>>> <for
>>>
> list="${pass1.property},${pass2.property},${pass3.property}"
>
>>> param="argvalue">
>>> <sequential>
>>>
>>> <exec executable="${ext}" >
>>> <arg value="/c"/>
>>> <arg value="execute.bat @{argvalue}"/>
>>> <redirector outputproperty="result.property" />
>>> </exec>
>>>
>>> </sequential>
>>> </for>
>>>
>>> I want to pass in 3 values and store the output in 3 different
>>> properties .
>>> Is there anyway to do this??
>>>
>>> Rite now, the output of all the 3 parameters gets overritten in "
>>> result.property"
>>>
>>> Your help would be greatly appreciated.
>>> Thanks
>>>
>>>
>> --
>> Scot P. Floess
>> 27 Lake Royale
>> Louisburg, NC 27549
>>
>> 252-478-8087 (Home)
>> 919-392-6730 (Work)
>>
>> Chief Architect JPlate http://sourceforge.net/projects/jplate
>> Chief Architect JavaPIM http://sourceforge.net/projects/javapim
>>
>>
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>>
>>
>>
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--
Scot P. Floess
27 Lake Royale
Louisburg, NC 27549
252-478-8087 (Home)
919-392-6730 (Work)
Chief Architect JPlate http://sourceforge.net/projects/jplate
Chief Architect JavaPIM http://sourceforge.net/projects/javapim
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