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删除从匹配线到末尾的所有行，包括匹配线

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删除从匹配线到末尾的所有行，包括匹配线

这是我们要删除包含“ EXPORTER_JAR_PATH”的行直到文件末尾的所有行的文件

more ambari-agent.ini
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific

export EXPORTER_JAR_PATH=/tmp/hgt.yml
[server]
hostname=master.sys65.com
url_port=8440
secured_url_port=8441
connect_retry_delay=10
max_reconnect_retry_delay=30

EXPORTER_JAR_PATH 这是我的解决方案，从包含 -直到结束的行中删除行

sed '1,/EXPORTER_JAR_PATH/!d' ambari-agent.ini
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific

export EXPORTER_JAR_PATH=/tmp/hgt.yml

正如我们所看到的那行——Export EXPORTER_JAR_PATH=/tmp/hgt.yml

依然存在，我们哪里错了？

预期产出

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific

答案1

sed '/EXPORTER_JAR_PATH/,$d' file

这将删除从包含子字符串的第一行EXPORTER_JAR_PATH到文件末尾（$地址文件末尾）的所有行。

命令的作用是删除不在第 1 行和包含该字符串的行（包括第 1 行）之间范围内的所有行。这意味着包含子字符串的行EXPORTER_JAR_PATH不会被删除。

或者，正如 Paul_Pendant 和 mosvy 在下面的评论中指出的那样，

sed -n '/EXPORTER_JAR_PATH/q;p' file

它将显式地p打印出每一行，直到到达EXPORTER_JAR_PATH脚本将终止的行。由于该-n选项禁用普通默认输出，因此不会打印包含字符串的行。这样做的好处是sed不必读取整个文件（但是，在这种特定情况下，由于文件太短，因此不会产生很大的差异）。

awk与等效的内容是：

awk '/EXPORTER_JAR_PATH/ { exit } { print }' file

或者，更短，

awk '/EXPORTER_JAR_PATH/ { exit }; 1' file

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