Index: /issm/trunk/scripts/waitonlock.sh
===================================================================
--- /issm/trunk/scripts/waitonlock.sh	(revision 2539)
+++ /issm/trunk/scripts/waitonlock.sh	(revision 2539)
@@ -0,0 +1,60 @@
+#!/bin/bash
+#script version of waitonlock.m
+#function flag=waitonlock(filename,timelimit)
+#%WAITONLOCK - wait for a file
+#%
+#%   This routine will return when a file named 'filename' is written to disk.
+#%   If the time limit given in input is exceeded, return 0
+#%
+#%   Usage:
+#%      flag=waitonlock(filename,timelimit)
+
+#Check input value
+if [ $# -ne 2 ];
+then
+	#no config file specified: exit
+	echo "waitonlock.sh error message: bad usage"
+	exit 0
+fi
+
+#initialization
+TIME=1;
+STEP=1;  #step in seconds
+FILE=$1;
+
+#check time limit
+if [ "$2" == "Inf" ]
+then
+	echo infinity detected
+	LIMIT=999999999;
+else
+	echo not inf
+	let LIMIT=$2*60;
+fi
+
+#display
+echo "waiting for $1 hold on (ctl+c to stop)..."
+
+#Loop till file is found
+while [ $TIME -lt $LIMIT ]
+do
+
+	#lock file exists?
+	if [ -e $FILE ]; then
+		break;
+	fi
+
+	#No-> wait one second
+	sleep $STEP
+	let TIME+=1;
+	echo "waiting $TIME seconds ($TIME < $LIMIT)"
+	dummy=$(ls); #force bash to refresh file list
+
+done
+
+#Compute flag
+if [ $TIME -lt $LIMIT ]; then 
+	exit 1;
+else
+	exit 0;
+fi