Added an environment variable YAFITSS_MAXIDLE

.yafits.bashrc.dist

@@ -4,7 +4,7 @@
 # the functionning of yafits on a given machine.
 # A special attention must be paid to the comments for each variable
 #
-# Values are given as as many examples. 
+# Values are given as as many examples.
 
 #
 # Where are the FITS files ( top directory )
@@ -22,6 +22,13 @@ export YAFITS_PNGDIR=/tmp
 export YAFITS_SAMPDIR=/tmp
 export YAFITS_LOGDIR=/tmp
 
+#
+# Maximum idleness duration for a data cube in memory before
+# it becomes eligible for deletion. Expressed in seconds.
+# The value below (5 minutes) is given as an example.
+#
+export YAFITSS_MAXIDLE=300
+
 #
 # Which port will be used for the servers.
 # Up to you.