Improve clean_records.sh

Author: roleoroleo

src/static/static/home/yi-hack/script/clean_records.sh

@@ -19,37 +19,41 @@ fi
 MAX_AVI_NUMBER=10
 USED_SPACE_LIMIT=$((100-$1))
 
-cd /tmp/sd/record/timelapse
-AVI_NUMBER=`ls -lr | grep .avi | awk 'END{print NR}'`
-while [ "$AVI_NUMBER" -gt "$MAX_AVI_NUMBER" ]
-do
-    OLD_FILE=`ls -lr | grep .avi | awk 'END{print}' | awk '{print $9}'`
-    if [ ! -z "$OLD_FILE" ]; then
-        echo "Deleting file $OLD_FILE"
-        rm -f $OLD_FILE
-        AVI_NUMBER=`ls -lr | grep .avi | awk 'END{print NR}'`
-    else
-        break
-    fi
-done
-
-cd /tmp/sd/record
-USED_SPACE=`df /tmp/sd/ | grep mmc | awk '{print $5}' | tr -d '%'`
-
-if [ -z "$USED_SPACE" ]; then
-    exit
+if [ -d /tmp/sd/record/timelapse ]; then
+    cd /tmp/sd/record/timelapse
+    AVI_NUMBER=`ls -lr | grep .avi | awk 'END{print NR}'`
+    while [ "$AVI_NUMBER" -gt "$MAX_AVI_NUMBER" ]
+    do
+        OLD_FILE=`ls -lr | grep .avi | awk 'END{print}' | awk '{print $9}'`
+        if [ ! -z "$OLD_FILE" ]; then
+            echo "Deleting file $OLD_FILE"
+            rm -f $OLD_FILE
+            AVI_NUMBER=`ls -lr | grep .avi | awk 'END{print NR}'`
+        else
+            break
+        fi
+    done
 fi
 
-while [ "$USED_SPACE" -gt "$USED_SPACE_LIMIT" ]
-do
-    OLD_DIR=`ls -lr | grep -v tmp | grep -v timelapse | awk 'END{print}' | awk '{print $9}'`
-    if [ ! -z "$OLD_DIR" ]; then
-        echo "Deleting dir $OLD_DIR"
-        rm -rf $OLD_DIR
-    else
-        break
-    fi
+if [ -d /tmp/sd/record ]; then
+    cd /tmp/sd/record
     USED_SPACE=`df /tmp/sd/ | grep mmc | awk '{print $5}' | tr -d '%'`
-done
+
+    if [ -z "$USED_SPACE" ]; then
+        exit
+    fi
+
+    while [ "$USED_SPACE" -gt "$USED_SPACE_LIMIT" ]
+    do
+        OLD_DIR=`ls -lr | grep -v tmp | grep -v timelapse | awk 'END{print}' | awk '{print $9}'`
+        if [ ! -z "$OLD_DIR" ]; then
+            echo "Deleting dir $OLD_DIR"
+            rm -rf $OLD_DIR
+        else
+            break
+        fi
+        USED_SPACE=`df /tmp/sd/ | grep mmc | awk '{print $5}' | tr -d '%'`
+    done
+fi
 
 echo "Done!"