![](/img/trans.png)
[英]shell script to Find a particular Pattern in repetitive data a file . and add new blank line before matched pattern
[英]Linux add new line before and after a matched pattern
我想在HTML文件中的“ <脚本”之前和</ script>标记之后放置换行符。
sed 's/<script/\'$'\n/g'
我尝试了一个,但是删除了“脚本”标签。
输入样例:
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>JavaScript Ders 2</title> <script type="text/javascript" src="script.js" language="javascript"></script> <script type="text/javascript" src="script.js" language="javascript"></script> <script></script> </head><body> <script type="text/javascript" src="script.js" language="javascript"></script> </body></html>
样本输出:
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>JavaScript Ders 2</title>
<script type="text/javascript" src="script.js" language="javascript">
</script>
<script type="text/javascript" src="script.js" language="javascript">
</script>
<script>
</script>
</head><body>
<script type="text/javascript" src="script.js" language="javascript">
</script>
</body></html>
我该怎么办?
谢谢
由于您尚未发布任何示例,因此无法对其进行测试,因此,请您可以尝试按照以下说明告诉我。
sed 's/<script>/\n&/;s/<\/script>/&\n/' Input_file
假设以下是Input_file:
cat Input_file
<script>
fewvfewvvew
</script>
abcd
然后,在执行代码之后,我们将获得以下输出。
<script>
fewvfewvvew
</script>
abcd
我假设您只是这样做以使其更易于阅读,而不是尝试使用sed格式化HTML ...
要在<script
和</script
之前添加换行符(假设您的sed版本理解\\n
):
sed -E 's|</?script|\n&|g' file
匹配</?script
( /?
使/
可选)并替换为换行符,后跟完整匹配&
。
它与您问题中的输出不太匹配,因为您似乎想将每个开始/结束<script>
标记放在自己的行上,而不是仅插入行:
$ sed -E 's|</?script|\n&|g' file
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>JavaScript Ders 2</title>
<script type="text/javascript" src="script.js" language="javascript">
</script>
<script type="text/javascript" src="script.js" language="javascript">
</script>
<script>
</script> </head><body>
<script type="text/javascript" src="script.js" language="javascript">
</script> </body></html>
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.