Snapshot.

src/main.rs

@@ -87,6 +87,10 @@ struct Cli {
     #[arg(short = 'x', long, allow_negative_numbers = true)]
     my_lon: Option<f64>,
     
+    /// Filter out spots from these callsign-UUID combinations (self spots, for example), comma-separated
+    #[arg(short = 't', long, value_delimiter = ',')]
+    filter: Option<String>,
+    
 }
 
 /// Convert a byte slice into a hex-dump string for debugging purposes.
@@ -450,6 +454,11 @@ fn handle_frame(frame: &AgwFrame, cli: &Cli, buffers: &mut BufferManager, loc_st
     if cli.ui_only && summary != "UI" {
         return;
     }
+    // Ignore frames where source matches one of the filtered strings
+    TODO finish this
+    if cli.filter {
+        return;
+    }
     
     // In non-debug mode, print the session line and any additional lines.
     if !cli.debug {