MSBuild Exec fail when UseCommandProcessor set to True -

-

i define target call exec 

<target name="buildinstaller" >          <exec command="attrib -r /s /d $(msbuildprojectdirectory)\environment\installer\serviceplatform\*.*" />          <exec command="dir *.* /s" />   </target>

it works perfectly

but if add usecommandprocessor set true

     <target name="buildinstaller" >              <exec command="attrib -r /s /d $(msbuildprojectdirectory)\environment\installer\serviceplatform\*.*" />              <exec command="dir *.* /s" usecommandprocessor="true"/>       </target>

i got this:

c:\dev>/q /c:\users\myuser\appdata\local\temp\tmp63250fcf10714224b92eeeb09e25b6f5.exec.cmd '/q' not recognized internal or external command, operable program or batch file.

why happen? doing wrong?


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