--- esound-0.2.41.old/esdfilt.c
+++ esound-0.2.41/esdfilt.c
@@ -8,6 +8,8 @@
 #include <limits.h>
 #include <string.h>
 
+static int is_stdout = 0;
+
 int main(int argc, char **argv)
 {
     octet buf[ESD_BUF_SIZE];
@@ -53,7 +55,19 @@
 	    twice = 1;
 	    printf( "doubling data\n" );
 	} else {
-	    target = fopen( argv[arg], "w" );
+	    char *tfname = argv [arg];
+
+	    if ((strcmp (tfname, "-"     ) == 0) ||
+	        (strcmp (tfname, "stdout") == 0))
+	    {
+	        is_stdout = 1;
+	        target    = stdout;
+	    }
+	    else
+	    {
+            target = fopen (tfname, "w");
+	    }
+
 	    if (!target) {
 		printf("%s: couldn't write to '%s'\n", argv[0], argv[arg]);
 	    }
@@ -105,8 +119,12 @@
 	    return 1;
 	write( sock, buf, length );
 
-	printf( "\rtotal bytes streamed: %d", total );
-	fflush( stdout );
+    if (!is_stdout)
+    {
+        printf ("\rtotal bytes streamed: %d", total);
+        fflush (stdout);
+    }
+
 	total += length;
     }
     close( sock );