Question

我想使用sed（或其他工具）来删除xml标记，但仅限于标有“{{''}}'占位符的特定位置。例如：

<ok><ok2>{{TextShouldStay<not_ok>this_should_be_out</not_ok>
<sthelse/>ThisShouldBeAgain}}</ok2></ok>

预期结果：

<ok><ok2>{{TextShouldStayThisShouldBeAgain}}</ok2></ok>

任何想法如何实现？

Answer 1

<强>命令：

tr '\n' ' ' < file.xml | sed -r 's/(.*\{\{)([A-Za-z0-9]*)(<.*\/>)(.*)/\1\2\4\n/g'

<强>输出：

sdlcb@Goofy-Gen:~/AMD$ cat file.xml
<ok><ok2>{{TextShouldStay<not_ok>this_should_be_out</not_ok>
<sthelse/>ThisShouldBeAgain}}</ok2></ok>
sdlcb@Goofy-Gen:~/AMD$ tr '\n' ' ' < file.xml | sed -r 's/(.*\{\{)([A-Za-z0-9]*)(<.*\/>)(.*)/\1\2\4\n/g'
<ok><ok2>{{TextShouldStayThisShouldBeAgain}}</ok2></ok>
sdlcb@Goofy-Gen:~/AMD$


Here we remove the newlines first using 'tr' and then group the patterns using '(' and ')'. 
First group - from beginning of line to '{{' inclusive
Second group - after '{{', whatever alphabets/numbers
Third group - characters between the next '<' and last '/>'
Fourth group - remaining characters.

Once grouped, we remove the 3rd pattern group, also add newline.

在占位符内删除xml标记

1 个答案: