make-ic-history is for work, but a nice awk example.

scripts/make-ic-history.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+awk '
+BEGIN {
+  site_attributes[""] = 0
+  site_history[""] = 0
+}
+{
+  if (/^\[.+ in ~/) {
+    type = substr($1, 2)
+    location = $3
+    if ($5 == "native") {
+      state = $7
+      source = $6
+    } else {
+      state = $6
+      source = $5
+    }
+    if (site_attributes[location] == "") {
+      site_attributes[location] = type " " source
+    }
+    if (site_history[location] == "") {
+      site_history[location] = state
+    } else {
+      site_history[location] = site_history[location] " " state
+    }
+    # print NF, location, state
+  }
+} 
+END {
+  # Canonicalize the site name, reducing foo+256, foo+17 to foo+2, foo+1.
+  function_to_site[""] = 0
+  for (i in site_attributes) {
+    split(i, split_output, "+")
+    function_to_site[split_output[1]] = function_to_site[split_output[1]] " " split_output[2]
+  }
+
+  site_to_canon[""] = 0
+  for (i in function_to_site) {
+    split(function_to_site[i], split_output, " ")
+    len = asort(split_output, sort_output)
+    for (j = 1; j <= len; j++) {
+      site_to_canon[i "+" sort_output[j]] = i "+" j
+    }
+  }
+
+  # print the site attributes and history
+  for (i in site_attributes) {
+    if (i != "") {
+      print site_to_canon[i], site_attributes[i], site_history[i]
+    }
+  }
+} ' | sort -k 3