c86e08e41bc789d9ece8856bc34c1880c9a3e13f
kent
  Wed Apr 6 15:25:18 2016 -0700
Printout out some "I am alive" dots to stderr.

diff --git src/utils/paraMd5/paraMd5.c src/utils/paraMd5/paraMd5.c
index 996ae18..27dab98 100644
--- src/utils/paraMd5/paraMd5.c
+++ src/utils/paraMd5/paraMd5.c
@@ -2,72 +2,79 @@
 #include "common.h"
 #include "linefile.h"
 #include "hash.h"
 #include "options.h"
 #include "md5.h"
 #include "pthreadDoList.h"
 
 int threads = 5;
 
 void usage()
 /* Explain usage and exit. */
 {
 errAbort(
   "paraMd5 - Make md5 sums for files in parallel.\n"
   "usage:\n"
-  "   paraMd5 XXX\n"
+  "   paraMd5 file(s)\n"
   "options:\n"
   "   -threads=N - number of threads - default %d\n"
   , threads
   );
 }
 
 /* Command line validation table. */
 static struct optionSpec options[] = {
    {"threads", OPTION_INT},
    {NULL, 0},
 };
 
 struct paraMd5
 /* Keep track of a number and it's Nth power in parallel */
     {
     struct paraMd5 *next;
     char *fileName; /* Name of file */
     char *md5;	    /* Md5sum */
     };
 
 void doOneMd5(void *item, void *context)
 /* This routine does the actual work on each paraMd5 item. */
 {
 struct paraMd5 *p = item; // Convert item to known type
 p->md5 = md5HexForFile(p->fileName);
+verbose(1, ".");
 }
 
 
 void paraMd5(int fileCount, char *files[])
 /* paraMd5 - Make md5 sums for files in parallel.. */
 {
+/* Make a list of things we want to process in parallel */
 struct paraMd5 *list = NULL, *el;
 int i;
 for (i=0; i<fileCount; ++i)
     {
     AllocVar(el);
     el->fileName = files[i];
     slAddHead(&list, el);
     }
 slReverse(&list);
+
+/* Do the parallel execution */
 pthreadDoList(threads, list, doOneMd5, NULL);
+verbose(1, "\n");
+
+/* Print out results */
 for (el = list; el != NULL; el = el->next)
     {
     printf("%s  %s\n", el->md5, el->fileName);
     }
 }
 
 int main(int argc, char *argv[])
 /* Process command line. */
 {
 optionInit(&argc, argv, options);
 if (argc < 2)
     usage();
 threads = optionInt("threads", threads);
 paraMd5(argc-1, argv+1);
 return 0;