download_apk.sh

#!/bin/sh

if test $# -lt 1 ; then
    echo "Usage: download_apk.sh <target-dir>"
    exit 1
fi

for LINE in $(adb shell pm list packages -f -3|sed 's/package://g'); do
    APK_PATH=$(echo "$LINE" | cut -d'=' -f1)
    FILE=$1/$(echo "${LINE}" | cut -d'=' -f2 | sed 's/\r$//').apk

    if [ -f "$FILE" ]; then
        DEVICE=$(adb shell md5sum $APK_PATH | cut -d' ' -f1)
        LOCAL=$(md5sum $FILE | cut -d' ' -f1)

        if [ "$DEVICE" = "$LOCAL" ]; then
            echo "Skipping $FILE, already have locally."
            continue
        fi
    fi

    echo "Pulling $APK_PATH to $FILE ..."
    adb pull $APK_PATH $FILE
done