title: How can I search PDF?
body: <p>Im doing a small project in C++ in LINUX PLATFORM.i need to search 10 or more PDF files and find required data.how can i do so?.
  i will make my question more clear with following eg</p>
  
  <p>Suppose i have ten text books all about c++ and i need info about the topic array. How i can search the pdf and find data?</p>