如何使用sed在模式后插入任意字符串 [英] How to insert an arbitrary string after pattern with sed

问题描述

它一定很简单，但不知为何我不明白……我想通过 bash 脚本处理 HTML 文件并将 HTML 字符串插入某个节点:

org.html:<div id="wrapper"></div>

MYTEXT=$(phantomjs capture.js www.somesite.com)# MYTEXT 看起来像这样:# <div id="test" style="top: -1.9%;">Something</div>sed -i "s/\<div id=\"wrapper\"\>/\<div id=\"wrapper\"\>$MYTEXT/" org.html

我总是收到这个错误:bad flag in replacement command: 'd' 这可能是因为 sed 解释了 $MYTEXT 的内容也作为一种模式——这不是我想要的......

顺便说一句:复制 \<div id=\"wrapper\"\> 可能也没有必要?

解决方案

$MYTEXT的

好像是/code> 部分确实被解释为 sed 命令中的最终 /.您可以选择其他分隔符，该分隔符不会出现在 $MYTEXT 中，例如:

sed -i "s|\

It must be really easy, but somehow I don't get it… I want to process an HTML-file via a bash script and insert an HTML-String into a certain node:

org.html: <div id="wrapper"></div>

MYTEXT=$(phantomjs capture.js www.somesite.com)
# MYTEXT will look something like this:
# <div id="test" style="top: -1.9%;">Something</div>

sed -i "s/\<div id=\"wrapper\"\>/\<div id=\"wrapper\"\>$MYTEXT/" org.html

I always get this error: bad flag in substitute command: 'd' which is probably because sed interprets the content of $MYTEXT as a pattern as well – which is not what I want…

By the way: Duplicating \<div id=\"wrapper\"\> is probably also not necessary?

解决方案

It seems the / in $MYTEXT's </div> part is interpreted indeed as the final / in the sed command. You can choose another delimiter, which does not appear in $MYTEXT, for instance:

sed -i "s|\<div id=\"wrapper\"\>|\<div id=\"wrapper\"\>$MYTEXT|" org.html

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