Question

我希望有人能为我提供以下问题的帮助吗？我有一个文本文件，其中包含一些数据行，我尝试做的是运行一个脚本，该脚本将删除包含＆＃34;停用：是＆＃34;。这个我到目前为止工作，但是我想删除这一行以上的行？希望这是有道理的。到目前为止删除该行我有以下内容： -

<console>:16: error: not found: value sqlContext
         import sqlContext.implicits._
                ^
<console>:16: error: not found: value sqlContext
         import sqlContext.sql

16/05/25 11:00:00 ERROR Schema: Failed initialising database.
Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@c2191a8, see the next exception for details.
org.datanucleus.exceptions.NucleusDataStoreException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@c2191a8, see the next exception for details.


16/05/25 11:06:02 WARN Hive: Failed to access metastore. This class should not accessed in runtime.
org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient


16/05/25 11:06:02 ERROR Schema: Failed initialising database.
Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@372e972d, see the next exception for details.
org.datanucleus.exceptions.NucleusDataStoreException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@372e972d, see the next exception for details.

Caused by: java.sql.SQLException: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClientLoader$$anon$1@c2191a8, see the next exception for details.
        at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
        ... 134 more
Caused by: java.sql.SQLException: Another instance of Derby may have already booted the database /root/spark-1.6.0-bin-hadoop2.6/bin/metastore_db.
        at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
        at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)
        ... 131 more
Caused by: ERROR XSDB6: Another instance of Derby may have already booted the database /root/spark-1.6.0-bin-hadoop2.6/bin/metastore_db.

感谢任何帮助，谢谢

Answer 1

@echo off
setlocal EnableDelayedExpansion
for /f "tokens=*" %%A in (test.txt) do (
    set "_line=%%A"
    rem *** Test if current line contains "Deactivate:" substring
    if "!_line!"=="!_line:Deactivate:=!" (
        rem *** if does not contain, output previous line, and save current line
        if defined _prev echo !_prev!
        set "_prev=!_line!"
    ) else (
        rem *** if contain, skip previous and current lines
        set "_prev="
    )
)
if defined _prev echo %_prev%
endlocal

使用批处理文件从文本文件中删除某行和上一行？

1 个答案: