#Describe PostingManyFilesToExtractingRequestHandler here.
Posting Multiple Files To Extracting Request Handler
To post multiple files(all files within current directory and it's sub-directories)to Solr's Extracting Request Handler, simply execute the following command after going to the appropriate directory.
find . -name "*" -type f -exec java -Dauto -jar post.jar "{}" \;
Also refer Reference for other ways of posting to Extracting Request Handler.