From 2d08911428d7c4f3c97cb416825d8354f1e39982 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Tue, 11 Feb 2014 18:16:11 +0100
Subject: installer script checks existence of dab folder

---
 examplemod.ini      |  3 ++-
 installer/debian.sh | 12 ++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/examplemod.ini b/examplemod.ini
index 080dcaa..66ee92c 100644
--- a/examplemod.ini
+++ b/examplemod.ini
@@ -43,7 +43,8 @@ filename=/dev/null
 
 [uhdoutput]
 device=master_clock_rate=32768000,type=b100
-frequency=234208000
+;frequency=234208000
+channel=13C
 txgain=2
 
 ; possible values : internal, external, MIMO
diff --git a/installer/debian.sh b/installer/debian.sh
index ef56107..476af99 100644
--- a/installer/debian.sh
+++ b/installer/debian.sh
@@ -61,6 +61,18 @@ fi
 # Fail on error
 set -e
 
+if [ -d dab ]
+then
+    echo -e $RED
+    echo "ERROR: The dab directory already exists."
+    echo -e $NORMAL
+    echo "This script assumes a fresh initialisation,"
+    echo "if you have already run it and wish to update"
+    echo "the existing installation, please do it manually"
+    echo "or erase the dab folder first."
+    exit 1
+fi
+
 echo -e "$GREEN Updating debian package repositories $NORMAL"
 sudo apt-get -y update
 
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