fix: jsonl output includes newline

Author: nyonson

justfile

@@ -44,7 +44,7 @@ STABLE_TOOLCHAIN := "1.87.0"
 # Run census.
 @run address port="8333":
   # Simply appending data to the file since each run is a "full" (not incremental) view of the world. A data point.
-  cargo +{{STABLE_TOOLCHAIN}} run --release -- run --address {{address}} --port {{port}} --format json >> site/census.jsonl
+  cargo +{{STABLE_TOOLCHAIN}} run --release -- run --address {{address}} --port {{port}} --format jsonl >> site/census.jsonl
   echo "Census result appended to site/census.jsonl"
 
 # Publish a new version.

site/census.jsonl.backup

@@ -0,0 +1,3 @@
+{"timestamp": 1749923493, "duration_seconds": 92450, "stats": {"total_nodes": 11286, "v2_transport": 7007, "compact_filters": 1142, "v2_and_filters": 1023}, "census_version": "0.1.1"}
+{"timestamp":1750154015,"duration_seconds":92099,"total_contacted":365896,"stats":{"total_nodes":11249,"v2_transport":7101,"compact_filters":1178,"v2_and_filters":1061},"census_version":"0.1.2"}
+{"timestamp":1750228886,"duration_seconds":45640,"total_contacted":362684,"stats":{"total_nodes":11458,"v2_transport":7269,"compact_filters":1221,"v2_and_filters":1101},"census_version":"0.1.2"}

src/report.rs

@@ -51,7 +51,7 @@ impl CensusReport {
     ) -> Result<(), Box<dyn std::error::Error>> {
         let content = match format {
             OutputFormat::Json => serde_json::to_string_pretty(self)?,
-            OutputFormat::Jsonl => serde_json::to_string(self)?,
+            OutputFormat::Jsonl => format!("{}\n", serde_json::to_string(self)?),
             OutputFormat::Csv => self.format_csv()?,
         };