脚本放置*.db同目录下，执行即可

dbfile=`find -name "*.db"`
chmod 777 *
echo $dbfile
for f in $dbfile
do
    echo "========="
    echo $f
    tables=`sqlite3 $f ".tables"`
    for j in $tables
    do
        echo "====查表内容写入开始======="
        sqlite3 $f "select * from $j" >> result
        "=============" >>result
    done
done