Update direwolf.sh

install/direwolf.sh

@@ -9,8 +9,20 @@ fi
 #########################################################################################################################
 #                                  requeriments
 #########################################################################################################################
-apt-get install git gcc g++ make cmake libasound2-dev libudev-dev gpsd gpsd-clients libgps-dev ntp avahi-daemon libavahi-client-dev -y
 
+apps=("git" "gcc" "g++" "make" "cmake" "libasound2-dev" "libudev-dev" "gpsd" "gpsd-clients" "libgps-dev" "ntp" "avahi-daemon" "libavahi-client-dev")
+
+for app in "${apps[@]}"
+do
+    # Verificar apps
+    if ! dpkg -s "$app" >/dev/null 2>&1; then
+        # app no instalada
+        sudo apt-get install -y "$app"
+    else
+        # app ya instalada
+        echo "$app ya instalada"
+    fi
+done
 
 #########################################################################################################################
 #                                  GPSD
@@ -355,8 +367,19 @@ then
  sudo rm /etc/udev/rules.d/rtl-sdr.rules
 fi
 
-apt-get install cmake build-essential libusb-1.0-0-dev -y
-apt-get install unzip -y
+apps=("cmake" "build-essential" "libusb-1.0-0-dev" "unzip")
+
+for app in "${apps[@]}"
+do
+    # Verificar apps
+    if ! dpkg -s "$app" >/dev/null 2>&1; then
+        # app no instalada
+        sudo apt-get install -y "$app"
+    else
+        # app ya instalada
+        echo "$app ya instalada"
+    fi
+done
 
 wget --load-cookies /tmp/cookies.txt "https://docs.google.com/uc?export=download&confirm=$(wget --quiet --save-cookies /tmp/cookies.txt --keep-session-cookies --no-check-certificate 'https://docs.google.com/uc?export=download&id=14owBT_XWwA4uK5a4I8wepvd4YrC2JErh' -O- | sed -rn 's/.*confirm=([0-9A-Za-z_]+).*/\1\n/p')&id=14owBT_XWwA4uK5a4I8wepvd4YrC2JErh" -O /opt/rtl-sdr-te1ws.zip && rm -rf /tmp/cookies.txt &&
 sudo unzip rtl-sdr-te1ws.zip