Create buildreadme.php

buildtools/buildreadme.php

@@ -0,0 +1,36 @@
+<?php
+$source=file_get_contents("../Alembic.tex");
+$matches=[];
+preg_match_all('/
+    (?|             # two alternatives whose group numbers both begin at 1
+      \\\\chapter  # match the command
+      (?|\{([^}]*)\}|\[([^]]*)\])
+                    # and a parameter in group 1
+    |               # OR
+      \G            # anchor the match to the end of the last match
+      (?|\{([^}]*)\}|\[([^]]*)\])
+                    # and match a parameter in group 1
+    )
+    /x',
+    $source,
+    $matches
+);
+$poems=$matches[1];
+$endB="";
+$f=file("../README.md");
+$writeStuff=true;
+foreach($f as $line){
+        if(trim($line)=="<!-- BEGIN POEMLIST -->"){
+                $writeStuff=false;
+                $endB.=$line;
+                foreach($poems as $p) $endB.="* ".$p."\n";
+        }
+        if($writeStuff) $endB.=$line;
+        if(trim($line)=="<!-- END POEMLIST -->"){
+                $endB.=$line;
+                $writeStuff=true;
+        }
+}
+
+file_put_contents("../README.md",$endB);
+