+find . -type f \( -iname "*" \
+ ! -iname "*.class" \
+ ! -iname "*.dll" \
+ ! -iname "*.exe" \
+ ! -iname "entries" \
+ ! -iname "*.git" \
+ ! -iname "*.gz" \
+ ! -iname "*.jar" \
+ ! -iname "*.lib" \
+ ! -iname "*.obj" \
+ ! -iname "*.svn" \
+ ! -iname "*.svn-base" \
+ ! -iname "*.tar" \
+ ! -iname "*.zip" \) \
+ -exec echo "\"{}\"" ';' | xargs grep -li "$seek"