[svn-r4228] Purpose:

Feature
Description:
    Added the feature that ALLHOSTS can be set via the file
    allhostfile in the snapshot directory.  This reduces the
    need to modify runtest for hosts changes.
Platforms tested:
    eirene (did dry runs).

bin/runtest

@@ -456,7 +456,8 @@ while [ $# -gt 0 ]; do
 	    PROGNAME="$PROGNAME $H5VER"
 	    ;;
 	-all)
-	    TESTHOST=$ALLHOSTS
+	    # cannot assign ALLHOSTS yet.
+	    TESTHOST=-all
 	    ;;
 	-nocvs)
 	    # do not do cvs commands
@@ -489,6 +490,18 @@ CVSLOG_LOCK=${SNAPYARD}/log/CVS_LOG_LOCK_${TODAY}
 SNAPTESTCFG=${SNAPYARD}/snaptest.cfg
 
 
+#################################
+# Setup test host(s)
+#################################
+ALLHOSTSFILE=${SNAPYARD}/allhostfile
+if [ -f $ALLHOSTSFILE ]; then
+    ALLHOSTS=`grep -v '#' $ALLHOSTSFILE`
+fi
+if [ "$TESTHOST" = -all ]; then
+    TESTHOST=$ALLHOSTS
+fi
+
+
 #################################
 # Setup to print a trailer summary when exiting not via
 # the normal end of the script.