Please download PowerPoint Converter from following URL,
http://www.verydoc.com/verydoc_pptconverter.exe
after you installed PowerPoint Converter product, please run following command lines to batch convert all of your PPT files to PDF or SWF files at one time,
FOR /D %F IN (C:\TestFiles\*.ppt) DO "C:\Program Files\VeryDOC PowerPoint Converter v3.0\pptconv.exe" "%F" "%~nF.pdf"
FOR /D %F IN (C:\TestFiles\*.ppt) DO "C:\Program Files\VeryDOC PowerPoint Converter v3.0\pptconv.exe" "%F" "%~nF.swf"
If you wish include above command lines into a .bat file, you need use "%%" to replace "%" character, because "%" is a reserved keyword in .bat file, for example,
FOR /D %%F IN (C:\TestFiles\*.ppt) DO "C:\Program Files\VeryDOC PowerPoint Converter v3.0\pptconv.exe" "%%F" "%%~nF.pdf"
FOR /D %%F IN (C:\TestFiles\*.ppt) DO "C:\Program Files\VeryDOC PowerPoint Converter v3.0\pptconv.exe" "%%F" "%%~nF.swf"
Above command lines can batch convert all of your PPT files to PDF or SWF files quickly.