runlttv: improvements

diff --git a/runlttv b/runlttv
index 31728d65b0d3c786cd93b5b8d08ad5b0c2a6fbc1..983b50cb177227217d740091f643fae42e5c6284 100755 (executable)
--- a/runlttv
+++ b/runlttv
@@ -4,6 +4,9 @@
 
 # This script runs LTTV in place in the compile directory without need for
 # installing it with make install.
+#
+# Run with the TF environment variable set to a trace directory to open it.
+#     ex: TF=/my/trace ./runlttv
 # 
 # The .runlttvrc file can be used to control its behavior.
 # - by setting the TRACEFILE variable, a trace can be automatically loaded
@@ -43,14 +46,16 @@ for a in $@; do
        eval $(echo $a)"=1"
 done
 
+if [ -n "$TF" ]; then
+       TRACEFILE="-t $TF"
+fi
+
 if [ -e "$RCFILE" ]; then
        source "$RCFILE";
 fi
 
 ARGS="$ARGS $LTTV_ARGS"
 
-echo $dbg
-
 if [ -n "$dbg" ]; then
        LD_LIBRARY_PATH=ltt/.libs gdb --args $LTTV_EXEC $ARGS $TRACEFILE
 elif [ -n "$valgrind" ]; then