?: //not capture during parsing
import java.io.File;
import org.apache.commons.io.FileUtils;
public class AddlogForC {
/**
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
File f = new File(
"test.c");
String content = FileUtils.readFileToString(f);
String regex = "((?:static\\s+)?[\\w*]+\\s+([\\w+]+)\\s*\\([^)]*\\)\\s*\\s\\{)"; // [^)]*\\)\\s*\\{
System.out
.println(content.replaceAll(regex, "$1\n printf(\"$2\");"));
FileUtils.write(f, content);
}
}