blocks|key|3239215|text|我对Bash-foo不是很在行，所以肯定会有一种更优雅的方式，但我过去通过使用多个脚本和一个“驱动程序”来解决这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3239216|例如，|3239217|司机|3239218|#!/bin/bash
set+-e

su+root+script1
su+somebody+script2|code-block|syntax|javascript|3239219|Script1|3239220|#!/bin/bash
set+-e

root_command+-p+param1++#+Run+as+root|3239221|Script2|3239222|#!/bin/bash
set+-e

#+These+commands+must+be+run+as+another+user
command1+-p+'parameter+with+"quotes"+inline'
command2+-p+'parameter+with+"quotes"+inline'
command3+-p+'parameter+with+"quotes"+inline'|3239223|entityMap^0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|Y|8|@]|9|@]|A|$]]|$1|M|3|N|5|H|7|Z|8|@]|9|@]|A|$I|J]]|$1|O|3|P|5|6|7|10|8|@]|9|@]|A|$]]|$1|Q|3|R|5|H|7|11|8|@]|9|@]|A|$I|J]]|$1|S|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|T|$]]

I'm not that great with Bash-foo, so there is bound to be a more elegant way, but I've approached this problem in the past by using multiple scripts and a &quot;driver&quot;.
E.g.,
Driver
<pre><code>#!/bin/bash
set -e

su root script1
su somebody script2
</code></pre>
Script1
<pre><code>#!/bin/bash
set -e

root_command -p param1 # Run as root
</code></pre>
Script2
<pre><code>#!/bin/bash
set -e

# These commands must be run as another user
command1 -p 'parameter with &quot;quotes&quot; inline'
command2 -p 'parameter with &quot;quotes&quot; inline'
command3 -p 'parameter with &quot;quotes&quot; inline'
</code></pre>

blocks|key|406264|text|试试这个：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|406265|su+somebody+<<'EOF'
command1+-p+'parameter+with+"quotes"+inline'
command2+-p+'parameter+with+"quotes"+inline'
command3+-p+'parameter+with+"quotes"+inline'
EOF|code-block|syntax|javascript|406266|<<引入了一个here-doc。下一个标记是分隔符，以分隔符开头的行之前的所有内容都作为标准输入输入到命令中。将分隔符放在单引号中可以防止在here-doc中进行变量替换。|offset|length|style|CODE|406267|entityMap^0|0|0|0|2|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Try this:

<pre><code>su somebody &lt;&lt;'EOF'
command1 -p 'parameter with "quotes" inline'
command2 -p 'parameter with "quotes" inline'
command3 -p 'parameter with "quotes" inline'
EOF
</code></pre>

<code>&lt;&lt;</code> introduces a here-doc. The next token is the delimiter, and everything up to a line beginning with the delimiter is fed as standard input to the command. Putting the delimiter in single quotes prevents variable substitution within the here-doc.

blocks|key|406277|text|此脚本检查运行该脚本的当前用户是否为所需用户。如果不是，则使用所需用户重新执行该脚本。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|406278|#!/usr/bin/env+bash

TOKEN_USER_X=TOKEN_USER_X
USER_X=peter+#+other+user!

SCRIPT_PATH=$(readlink+-f+"$BASH_SOURCE")

if+[[+"$@"+!=+"$TOKEN_USER_X"+]];+then

++++######+RUN+THIS+PART+AS+the+user+who+started+the+script

++++echo+"This+script+is+$SCRIPT_PATH"

++++echo+-n+"Current+user:+"
++++echo+$USER

++++read+-p+"insert:+"
++++echo+"got+$REPLY"

++++su+-+$USER_X+-c+"$SCRIPT_PATH+$TOKEN_USER_X"+#+execute+code+below+after+else+(marked+#TOKEN_USER_X)

else
++++#TOKEN_USER_X+--+come+here+only+if+script+received+one+parameter+TOKEN_USER_X

++++######+RUN+THIS+PART+AS+USER+peter

++++echo
++++echo+"Now+this+script+is+$SCRIPT_PATH"

++++echo+-n+"Current+user:+"
++++echo+$USER

++++read+-p+"insert:+"
++++echo+"got+$REPLY"

++++exit+0
fi

echo
echo+"Back+to+initial+user..."
echo+-n+"Current+user:+"
echo+$USER|code-block|syntax|javascript|406279|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This script checks if the current user running the script is the desired user. If not, then the script is re-executed with the desired user.

<pre><code>#!/usr/bin/env bash

TOKEN_USER_X=TOKEN_USER_X
USER_X=peter # other user!

SCRIPT_PATH=$(readlink -f "$BASH_SOURCE")

if [[ "$@" != "$TOKEN_USER_X" ]]; then

 ###### RUN THIS PART AS the user who started the script

 echo "This script is $SCRIPT_PATH"

 echo -n "Current user: "
 echo $USER

 read -p "insert: "
 echo "got $REPLY"

 su - $USER_X -c "$SCRIPT_PATH $TOKEN_USER_X" # execute code below after else (marked #TOKEN_USER_X)

else
 #TOKEN_USER_X -- come here only if script received one parameter TOKEN_USER_X

 ###### RUN THIS PART AS USER peter

 echo
 echo "Now this script is $SCRIPT_PATH"

 echo -n "Current user: "
 echo $USER

 read -p "insert: "
 echo "got $REPLY"

 exit 0
fi

echo
echo "Back to initial user..."
echo -n "Current user: "
echo $USER
</code></pre>

There are already <a href="https://stackoverflow.com/questions/10220019/how-to-write-a-shell-script-that-runs-some-commands-as-superuser-and-some-comman">some existing questions</a> asked here about running commands as another user. However, the question and answers focus on a single command instead of a long group of commands.
For example, consider the following script:
<pre><code>#!/bin/bash
set -e

root_command -p param1 # run as root

# these commands must be run as another user
command1 -p 'parameter with &quot;quotes&quot; inline'
command2 -p 'parameter with &quot;quotes&quot; inline'
command3 -p 'parameter with &quot;quotes&quot; inline'
</code></pre>
There are a couple of important points to note here:
<ul>
<li>The final three commands must be run as another user using <code>su</code> or <code>sudo</code>. In the example there were three commands, but suppose that there were many more...
</li>
<li>The commands themselves make use of single and double quotes.
</li>
</ul>
The second point above prevents the use of the following syntax:
<pre><code>su somebody -c &quot;command&quot;
</code></pre>
...since the commands themselves contain quotes.
What is the proper way to &quot;group&quot; the commands and run them under another user account?

How can I execute a group of commands as another user in Bash?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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这里已经有被问及以其他用户身份运行命令的问题。但是，问题和答案集中在单个命令上，而不是一长串命令上。例如，考虑以下脚本：#!/bin/bashset -eroot_command -p param1  # run as root# these commands must be run as another userco...

问如何在Bash中以另一个用户身份执行一组命令？
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