Sed xml tag extract. To extract data from an XML file, ...
Sed xml tag extract. To extract data from an XML file, you can combine grep with tools like sed or xmlstarlet, which is specifically designed for parsing XML. *\)>/ and of /<\/a>/. txt I copied the . Code: <com_section> That is given the data is well formed XML? The author states that the tags are XML so I assume he has an XML document (otherwise there is no use in stating that the tags are XML), which should always be well-formed, otherwise it is no XML document. Here’s the command I ran: @Bravo Note that the only thing missing from the file to make it well-formed XMl is an arbitrarily named start-tag at the start and its corresponding end-tag at the end. Jul 23, 2009 · Limited, but useful construct to extract text embedded in XML tags. Extract xml tag value using awk command Asked 13 years, 1 month ago Modified 10 years, 3 months ago Viewed 51k times Manipulating XML or HTML with tools like sed is not generally a great idea. I would like to extract using the bash tools like grep, sed and awk. Using SunOS 5. SED is a stream editor. Jan 9, 2025 · The sed (Stream Editor) command in Linux is a powerful utility for text manipulation. This could be inserted on the fly with { echo '<tag>'; cat file. For example, using xmlstarlet you would use: I've a XML file with the contents: <?xml version="1. Just be aware that it's a more brittle situation that depends on the XML being formatted in a certain way whereas an xpath based solution only depends on the XML being valid. Here is the example xml content for testing: <xml-content> <validation> <timeout>2880</timeout> <subject>example</ Extract the desired content from the file using "xmlstarlet" or "sed" or "awk" or some similar tool. I want to use sed to replace the XML tag on bash. Feb 4, 2026 · The sed command in Linux, short for stream editor, is a non-interactive text editor used to perform basic text transformations on an input stream, such as a file or input from a pipeline. What your sed expression is doing is printing all the lines between the matches of /<a href=\(. Sample file content: <a>abc</a> Current attempt: sed -i Feb 4, 2026 · The sed command in Linux, short for stream editor, is a non-interactive text editor used to perform basic text transformations on an input stream, such as a file or input from a pipeline. It's error-prone. If nobody posts an alternative for the multiline sed version, I'll figure it out later Sep 8, 2015 · My shot here is to use awk with RS set to “>”. extract multiple arguments of a xml tag line by line using sed Asked 5 years, 9 months ago Modified 5 years, 9 months ago Viewed 365 times Extract text between two XML tags using sed Asked 11 years, 1 month ago Modified 11 years, 1 month ago Viewed 3k times sudo apt-get install libxml-xpath-perl And for your example, here's how I'd do this in the xpath query language: xpath -e '*/serverName/*' big_xml_file. For example, in the line: string>! [TEST [Extract this string]>/string> I want I've got to replace some attribute content in an XML tag, depending on a parameter $1. I'm doing all this from the command line and was wondering if there is a better way than piping it into awk twice I have some huge xml text files. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline). How can I change my code to extract it several times? Mar 24, 2015 · 3 You don't use regex or sed. xml file to test1. Learn how to process an XML document to extract tag values and attributes using xmllint, starletxml, and perl. Jun 19, 2020 · Find a specific xml tag and replace the text inside tags to some parameterized value. I know. Apr 26, 2025 · The `sed` command is an essential tool for manipulating text in Linux. How can i d I have the following xml to parse and extract the value of tag based on the value of tag. 0" encoding="UTF-8"?>< I have a log file with multiple request XML snippets in it. The conditions are as follows: the value of element enabled must be changed from 0 to 1; enabled must be the child of an somenode e awk, sed and grep are line-oriented tools. May 6, 2024 · The sed command is a shell built-in command in Linux that allows to edit files and streams on Linux using the sed stream editor. org > Forums > Non-*NIX Forums > Programming [SOLVED] Parse XML tags with attribute with SED Programming This forum is for all programming questions. 0" encoding="utf-8"?> <job xmlns="http://www. Sep 3, 2023 · With the sed command, you can edit text in files and streams on Linux. If you are really sure, that your input will be always formated this way, you can use cut. The process should refer the full name of the particular businessprocesses and then should just extract content in between that particular business process. txt. Extract only if type == 'hosted'. Here is w How to use sed to extract from xml after doing a pattern match in one of the tags inside? Ask Question Asked 7 years, 5 months ago Modified 7 years, 3 months ago I'm using sed on DOS to extract the content of a XML file between 2 tags. Jul 24, 2025 · Extract text between two XML tags using sed Xml is not a line oriented format; therefore the specific distribution of xml elements across lines when expressed textually is incidental. And I'm afraid the details do depend on context: for example, "yweather" is a short name (prefix) for a namespace, and you need to know what namespace it represents. But it is sed ’s ability to filter text in a pipeline which particularly distinguishes it from other types of editors. Here is an example: <?xml version="1. Then it folds at every end. Sample file content: <a>abc</a> Current attempt: sed -i extract multiple arguments of a xml tag line by line using sed Asked 5 years, 9 months ago Modified 5 years, 9 months ago Viewed 365 times Extract part of an xml tag using Sed Asked 9 years, 4 months ago Modified 9 years, 4 months ago Viewed 181 times I'm using sed on DOS to extract the content of a XML file between 2 tags. Extract text between two XML tags using sed Asked 11 years, 1 month ago Modified 11 years, 1 month ago Viewed 3k times I am trying to extract some lines within a <w:t> tag in front and </w:t> tag at the end of the text I want, but im only getting the text within last tags and not the others. If you want to write an intermediary Python script, that's still an option Nov 6, 2020 · How do i get all the lines and not just the last line with the tag? the document. xml; echo '</tag>'; } | some_processing_command. While in some ways similar to an editor which permits scripted edits, SED works by making only one pass over the input (s), and is consequently more efficient. Nov 26, 2016 · sed -n '/<id>/,/<\/id>/p' test1. name=$ (grep -E "<element. Using sed substitution command, the pattern matching till the beginning of the opening tag is deleted. It should be done only when the input is well known and doesn't vary unexpectedly. I also tried another code and this gave me everything from the first <w:t> tag and including everything within until the last </w:t> tag. txt to a second file called test2. My choice would be to use BeautifulSoup but it makes handling it directly from Bash fairly hard. sample. Another substitution is done to remove the pattern from the closing tag till the end. com/">programming</job> I need a way to extract what is in the 19 You should not parse XML using tools like sed, or awk. 0 You would be far, far better using an XML-aware tool If it really is a simple case of extracting the value of the time attribute you can use sed. You use an XML parser and an XML query language (XPath or XQuery). sed (short for s tream ed itor) is a utility that transforms text via a script written in a relatively simple and compact programming language. If this is a well formed XML document, you may want to look into using an XML parser instead, such as xmlstarlet. It enables users to perform various operations such as searching, replacing, inserting, and deleting text in files. Jun 1, 2025 · On Unix-like operating systems, sed is a stream editor: it filters and transforms text. I have the following grep command piped into sed to find an element name attribute and store the sed result into a name variable. XML: <!--UpdateAccountGUIDs>UpdateAndExit</UpdateAccountGUIDs--> I would like to replace that with <UpdateAccountGUIDs>UpdateAndExit</ Aug 3, 2018 · How to use sed to extract from xml after doing a pattern match in one of the tags inside? Ask Question Asked 7 years, 5 months ago Modified 7 years, 3 months ago Dec 27, 2022 · I want to use sed to replace the XML tag on bash. XML and HTML are based on tags. x, so not all linux comma I have a text file and want to extract only the text beginning and ending with a certain strings using sed. LinuxQuestions. It’s a powerful tool that can search, replace, add, or delete lines in a text file even without opening them. xml Again, if you need to do anything useful with this XML, consider something even stronger like BeautifulSoup and Python. Sep 5, 2014 · Other answers suggest good alternatives to extract the value in XML tag syntax; use them. It was developed from 1973 to 1974 by Lee E. Sample file content: <a>abc</a> Current attempt: sed -i . It allows you to search for patterns in a text and perform various operations on the matching text, such as replacing it, deleting it, or printing it. Check out all the stuff you can do with it. txt > test2. As you'll see from most of the answers here the better approach really is to use a tool that understands XML, but for really simple cases you might get away with using sed. I've been there. You need to use an xml-aware utility when processing XML documents. I am using this sed command to extract and print the request XML: sed -n '/<GetCompensableProductIdentification*/,/<\/ XML files are commonly used in configurations, data exchange, and web services. I just wanted to point out why the RE in the original problem fails on current Linux systems: some symbols match no actual characters, but instead match empty boundaries in these apps that support posix-extended regular expressions. This page covers the GNU / Linux version of sed. The two don't combine that well, though you can get by with awk, sed and grep on XML and HTML by using a pretty formatter on the XML or HTML before resorting to your line-oriented tools. I have the following text in File. I added an awk solution (if you have sed you would surely have awk as well). So alot of extra text within, the following code for that was: Oct 16, 2017 · However, as Sundeep mentions, it is not at all robust to parse HTML (or XML) with a regular expression. For a general-purpose solution that can deal with all valid XML syntax you’d need a proper XML parser. e, 50 but m Programming This forum is for all programming questions. xml file is a one line text file, if that makes any difference. I want to remove the XML tags and just display the data in between. Here is the example xml content for testing: <xml-content> <validation> <timeout>2880</timeout> <subject>example</ Nov 8, 2021 · How to use bash/sed to extract XML attribute value Ask Question Asked 4 years, 3 months ago Modified 4 years, 3 months ago sed is a great tool but XML will eventually make any programmer who approaches it with a REGEX cry. It's one thing to use grep or sed to search for things interactively, but if this is part of a script that needs to carry out an important task and actually work, you should parse the XML properly. Here is w 19 You should not parse XML using tools like sed, or awk. Nov 28, 2025 · In this blog, we’ll demystify how to use sed with regular expressions (RegEx) to extract XML attribute values from single-line files. If there is even the smallest chance that your data will change, you want a proper XML parser. It works great, except for one little thing I don't want to display the lines of the tags I'm searching for. It's faster than sed and awk: I have a text file and want to extract only the text beginning and ending with a certain strings using sed. The sed stream editor performs basic text transformations on an input stream (a file, or input from a pipeline). I tried sed and grep but they both return the whole line. Mar 24, 2015 · Since the input data (your XML file) is structured, you're better off using a query on that structured data, rather than treating it as plain text and messing with regular expressions. By the end, you’ll be able to confidently extract attributes like id, name, or status from even the most compact XML. However, with the line above, it is extracting everything from the FIRST <id> tag to the last </id> tag in my file. But if your file is in the right shape, sed can be a quick and dirty way to get the job done. It's faster than sed and awk: Hello, I have a little problem with my bash script, I need to get all text between those blue XML tags with awk,sed or grep. We've got in input, for example: <ThreadGroup guiclass="ThreadGroupGui" testclass="ThreadGroup" testname= I need to find and replace the value of the specific xml element. [2] While in some ways similar to an editor which permits scripted edits (such as ed), sed works by making only one pass over the input (s), and is consequently more efficient. sed and awk do not provide any means of validating XML. This will only work if bar is all on one line. This tutorial provides a comprehensive guide to mastering the sed command with practical examples, syntax explanations, and advanced use cases. I have a xml file with data like below <temp> <a="something" total="50" b="something" total="0" c="something" total="20"> </temp> I need to get first value of total i. That's the problem with using non-XML tools (such as sed) to create or manipulate XML, it's very easy to end up with ill-formed XML which can't be processed. I have the following xml to parse and extract the value of tag based on the value of tag. The file you've shown isn't XML, because the note and trkseg elements overlap. For example, in the line: string>! [TEST [Extract this string]>/string> I want I want to read a pom. While in some ways similar to an editor which permits scripted edits (such as ed), sed works by making only one pass over the input (s), and is consequently more efficient. Multiple occurrences need to be replaced. If input changes, and before name parameter you will get new-line character instead of space it will fail some day producing unexpected results. +1, but note that using sed to parse XML (or HTML) isn't generally a good idea. McMahon of Bell Labs, [1] and is available today for most operating systems. I need to write a script to find and print a specific tag only. The question does not have to be directly related to Linux and any language is fair game. *name Find a specific xml tag and replace the text inside tags to some parameterized value. xml ('Project Object Model' of Maven) and extract the version information. I'm trying to extract the group names from the test1. u9kxx, rkw3, d54bb, zspa, b0dqg, ltb94, iraz, kaec7, 0paz, 5gpu7,