Created stacktraces.groovy

stacktraces.groovy

@@ -0,0 +1,42 @@
+#!/usr/bin/env groovy
+
+if (!args) {
+    println 'Usage: stacktraces.groovy <path/to/logfile>'
+    System.exit 0
+}
+
+class LogFile extends File {
+
+    String entryStartPattern
+
+    LogFile(String fileName, String entryStartPattern) {
+        super(fileName)
+        this.entryStartPattern = entryStartPattern
+    }
+
+    def eachEntry(closure) {
+        def newEntry = true, entry = ''
+        eachLine {
+            if (newEntry) {
+                entry += it
+                newEntry = false
+            } else if (it =~ entryStartPattern) {
+                closure.call entry
+                entry = it
+            } else {
+                entry += "\n${it}"
+            }
+        }
+        closure.call entry
+    }
+
+    def eachStacktrace(closure) {
+        eachEntry() {
+            if (it =~ /(?m)^(?:\t| {8})at/) closure.call it
+        }
+    }
+}
+
+new LogFile(args[0], /^\d{4}-\d{2}-\d{2}/).eachStacktrace() {
+    println it
+}