how to extract text which matches particular fields in text file using linux commands

Question

Hi below is my text file

{"Author":"john"
  "subject":"java"
  "title":"java cook book.pdf"}

{"title":"Php book.pdf"
 "Author":"Smith"
 "subject":"PHP"}

{"Author":"Smith"
"title":"Java book.pdf"}

from the above data i want to extract all titles which contains "java" word, i should get the following output

java cook book.pdf
Java book.pdf

Please suggest me

Thanks

Answer 1

GNU sed

sed -r '/title.*java/I!d;s/.*:.(.*).}$/\1/' file

java cook book.pdf
Java book.pdf