Handle UnknownFormatException for batch processing multiple files.

When sequentially processing many files the unhandled exception terminates the program
and no further files will be processed that may still be readable. This commit catches
the exception, provides a warning message and continues processing.

components/bio-formats-tools/src/loci/formats/tools/ImageInfo.java

@@ -77,6 +77,7 @@
 import loci.formats.meta.MetadataStore;
 import loci.formats.services.OMEXMLService;
 import loci.formats.services.OMEXMLServiceImpl;
+import loci.formats.UnknownFormatException;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -1141,8 +1142,14 @@ public static void main(String[] args) throws Exception {
 
       while (scanner.hasNext()) {
         newArgs[idx] = scanner.nextLine();
-	System.out.println("====% " + newArgs[idx]);
-        if (!new ImageInfo().testRead(newArgs)) System.exit(1);
+        System.out.println("====% " + newArgs[idx]);
+        try {
+        	new ImageInfo().testRead(newArgs);
+        }
+        catch (UnknownFormatException e) {
+			LOGGER.warn("Unknown file format: " + newArgs[idx]);
+        	continue;
+        }
       }
       scanner.close();
     }