# 
# 
# add_file "split.cc"
#  content [2857722407feaf88eabc78fb024c1b5e77a21497]
# 
# patch "grep.cc"
#  from [5cd119b4d61791c2aa43f955e8ce4be8c334582c]
#    to [46744d7d2fe94bd1dc87ee124b463fda60dd57ab]
# 
============================================================
--- split.cc	2857722407feaf88eabc78fb024c1b5e77a21497
+++ split.cc	2857722407feaf88eabc78fb024c1b5e77a21497
@@ -0,0 +1,80 @@
+// 2006-04-13  Timothy Brownawell  <address@hidden>
+// GPL v2 or greater
+//
+// link with boost_program_options
+//
+// split [-n num] -d delim [-d delim...] -f basename
+// split input into chunks of num stanzas
+// delim is the stanza delimiter
+
+#include <string>
+#include <vector>
+#include <iostream>
+#include <fstream>
+#include <utility>
+
+#include <boost/program_options.hpp>
+#include <boost/format.hpp>
+#include <boost/lexical_cast.hpp>
+
+#include "io.hh"
+
+using std::string;
+using std::vector;
+using std::cin;
+using std::cout;
+using std::cerr;
+using std::ofstream;
+using std::pair;
+using std::make_pair;
+using basic_io::stanza;
+using basic_io::stanza_reader;
+using boost::lexical_cast;
+
+namespace po = boost::program_options;
+
+int main(int argc, char **argv)
+{
+  po::options_description desc("Allowed options");
+  desc.add_options()
+    ("help", "print this message")
+    ("num,n", po::value<string>(), "number of stanzas to put in each output file (default 1)")
+    ("basename,f", po::value<string>(), "basename of output files")
+    ("delim,d", po::value<vector<string> >(), "key that begins a stanza")
+    ;
+  po::variables_map vm;
+  po::store(po::parse_command_line(argc, argv, desc), vm);
+  po::notify(vm);
+
+  if (vm.count("help") || !vm.count("basename") || !vm.count("delim"))
+    {
+      cerr << desc << "\n";
+      cerr << "--basename is required, "
+           << "and --delim must be given at least once.\n";
+      return 1;
+    }
+
+  int num(1);
+  if (vm.count("num"))
+    num = vm["num"].as<int>();
+  string basename(vm["basename"].as<string>());
+
+  stanza st;
+  stanza_reader sr(cin, vm["delim"].as<vector<string> >());
+  int n = 0;
+  ofstream out;
+  while (sr.get(st))
+    {
+      if (!(n % num))
+        {
+          if (out.is_open())
+            out.close();
+          string fn = basename + lexical_cast<string>(n);
+          cerr<<"Opening file '"<<fn<<"'\n";
+	  out.open(fn.c_str());
+        }
+      out << st;
+      ++n;
+    }
+  out.close();
+}
============================================================
--- grep.cc	5cd119b4d61791c2aa43f955e8ce4be8c334582c
+++ grep.cc	46744d7d2fe94bd1dc87ee124b463fda60dd57ab
@@ -21,6 +21,7 @@
 using std::string;
 using std::cout;
 using std::cin;
+using std::cerr;
 using std::vector;
 
 namespace po = boost::program_options;