Hi arunmep,

For me your question can have two diferent meanings.

The first one is that you want to search for text in the image itself, in which case the sugestion given by the Anonymous Monk is valid. You shuold search for OCR on images.

The second possible meaning is that you want to look for strings in the file content itself, not in the image. In this case I would recomend Image::Magick. $image->Get('Comment'); will return what you want.