diff --git a/bin/phpstan-baseline-analyze.php b/bin/phpstan-baseline-analyze.php
index 374dbea..4c7bc72 100644
--- a/bin/phpstan-baseline-analyze.php
+++ b/bin/phpstan-baseline-analyze.php
@@ -38,5 +38,17 @@
     $format = ResultPrinter::FORMAT_JSON;
 }
 
-$exitCode = $app->start($argv[1], $format);
+$excludeOptions = preg_grep('/^--exclude=/', $argv);
+if ($excludeOptions) {
+    $excludedFiles = preg_replace('/^--exclude=/', '', $excludeOptions);
+} else {
+    $excludedFiles = [];
+}
+
+if (in_array('--summary', $argv)) {
+    $exitCode = $app->summarize($argv[1], $format, $excludedFiles);
+} else {
+    $exitCode = $app->start($argv[1], $format);
+}
+
 exit($exitCode);
diff --git a/lib/AnalyzeApplication.php b/lib/AnalyzeApplication.php
index 1d5ec7d..22d1efe 100644
--- a/lib/AnalyzeApplication.php
+++ b/lib/AnalyzeApplication.php
@@ -2,6 +2,7 @@
 
 namespace staabm\PHPStanBaselineAnalysis;
 
+use DateTimeImmutable;
 use \Iterator;
 
 final class AnalyzeApplication
@@ -51,6 +52,45 @@ public function start(string $glob, string $format): int
         return self::EXIT_ERROR;
     }
 
+    /**
+     * @param string[]  $excludedFilenames
+     */
+    public function summarize(string $glob, string $format, array $excludedFilenames = []): int
+    {
+        $baselines = BaselineFinder::forGlob($glob, $excludedFilenames);
+        $numBaselines = count($baselines);
+        if ($numBaselines === 0) {
+            return self::EXIT_ERROR;
+        }
+
+        $resultSummary = new AnalyzerResult();
+        $baselineSummary = new Baseline();
+
+        foreach ($baselines as $baseline) {
+            $analyzer = new BaselineAnalyzer($baseline);
+            $result = $analyzer->analyze();
+            $resultSummary->referenceDate = new DateTimeImmutable();
+            $resultSummary->overallErrors += $result->overallErrors;
+            $resultSummary->deprecations += $result->deprecations;
+            $resultSummary->invalidPhpdocs += $result->invalidPhpdocs;
+            $resultSummary->unknownTypes += $result->unknownTypes;
+            $resultSummary->anonymousVariables += $result->anonymousVariables;
+            $resultSummary->unusedSymbols += $result->unusedSymbols;
+        }
+
+        $printer = new ResultPrinter();
+
+        if ($format == ResultPrinter::FORMAT_JSON) {
+            $stream = $printer->streamJson($baselineSummary, $resultSummary);
+        } else {
+            $stream = $printer->streamText($baselineSummary, $resultSummary);
+        }
+
+        $this->printSummary($format, $stream);
+
+        return self::EXIT_SUCCESS;
+    }
+
     /**
      * @api
      */
@@ -84,4 +124,22 @@ private function printResult(string $format, bool $isFirst, bool $isLast, Iterat
             }
         }
     }
+
+    /**
+     * @param Iterator<string> $stream
+     */
+    private function printSummary(string $format, Iterator $stream): void
+    {
+        if ($format === ResultPrinter::FORMAT_JSON) {
+            printf('[');
+        }
+
+        foreach ($stream as $string) {
+            printf($string);
+        }
+
+        if ($format === ResultPrinter::FORMAT_JSON) {
+            printf(']');
+        }
+    }
 }
diff --git a/lib/Baseline.php b/lib/Baseline.php
index 1273250..9c82a2d 100644
--- a/lib/Baseline.php
+++ b/lib/Baseline.php
@@ -59,6 +59,6 @@ public function getIgnoreErrors(): Iterator {
     }
 
     public function getFilePath():string {
-        return $this->filePath;
+        return $this->filePath ? : basename(getcwd());
     }
 }
diff --git a/lib/BaselineFinder.php b/lib/BaselineFinder.php
index 084ab61..4daa964 100644
--- a/lib/BaselineFinder.php
+++ b/lib/BaselineFinder.php
@@ -5,13 +5,14 @@
 final class BaselineFinder
 {
     /**
+     * @param string[] $excludeFilenames
      * @return Baseline[]
      */
-    static public function forGlob(string $glob): array
+    static public function forGlob(string $glob, array $excludeFilenames = []): array
     {
         $baselines = [];
 
-        foreach (self::rglob($glob) as $baseline) {
+        foreach (self::rglob($glob, 0, $excludeFilenames) as $baseline) {
             if (!is_file($baseline)) {
                 continue;
             }
@@ -29,22 +30,46 @@ static public function forGlob(string $glob): array
     /**
      * from https://stackoverflow.com/a/17161106
      *
+     * @param string[] $excludeFilenames
      * @return string[]
      */
-    static private function rglob(string $pattern,int $flags = 0):array
+    static private function rglob(string $pattern, int $flags = 0, array $excludeFilenames = []): array
     {
         $files = glob($pattern, $flags);
         if (!$files) {
             return [];
         }
 
+        // Filter out excluded filenames
+        if ($excludeFilenames !== []) {
+            $files = self::filerExcludedFiles($files, $excludeFilenames);
+        }
+
         foreach (glob(dirname($pattern) . '/*', GLOB_ONLYDIR | GLOB_NOSORT) ?: [] as $dir) {
             if (basename($dir) == 'vendor') {
                 continue;
             }
 
-            $files = array_merge($files, self::rglob($dir . '/' . basename($pattern), $flags));
+            $files = array_merge($files, self::rglob($dir . '/' . basename($pattern), $flags, $excludeFilenames));
         }
         return $files;
     }
+
+    /**
+     * @param string[] $files
+     * @param string[] $excludeFilenames
+     * @return string[]
+     */
+    private static function filerExcludedFiles(array $files, array $excludeFilenames): array
+    {
+        return array_filter($files, function (string $file) use ($excludeFilenames) {
+            foreach ($excludeFilenames as $excludeFilename) {
+                if (str_ends_with($file, $excludeFilename)) {
+                    return false;
+                }
+            }
+
+            return true;
+        });
+    }
 }