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从mysqldump导出的sql文件中移除一些数据库
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| # 第一步，找出所有库所在的行号 | |
| cat all_databases.sql |grep -n "Current Database" | |
| #返回 | |
| 422:-- Current Database: `data_platform` | |
| 8094:-- Current Database: `mysql` | |
| 13013:-- Current Database: `test` | |
| 13045:-- Current Database: `test_insert` | |
| 13085:-- Current Database: `test_l5` | |
| # 第二步，确认要移除的库：mysql | |
| # 该库的字符区间在8094-13012 | |
| # 第三步，使用sed移除 | |
| sed -e '8094,13012d' all_databases.sql > all_databases_except_mysql.sql |
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