How to find information inside an XML tag using grep?

How to find information inside an XML tag using grep?

XPath makes it easy to tell the difference between similarly named tags that appear in different contexts in a document. Extracting the title of the article represented by this document with grep would fail if you used any of the other answers posted here.

Where can I find the output of grep?

The output will return results from all files the grep command found in the /var/log/ directory and its subdirectories. In this tutorial, you learned how to use grep to search multiple words or string patterns in a file.

How to grep for multiple strings, patterns or words?

How to Grep Multiple Patterns – Syntax The basic grep syntax when searching multiple patterns in a file includes using the grep command followed by strings and the name of the file or its path. The patterns need to be enclosed using single quotes and separated by the pipe symbol. Use the backslash before pipe | for regular expressions.

What is the name of the grep command?

Grep is a powerful utility available by default on UNIX-based systems. The name stands for Global Regular Expression Print. By using the grep command, you can customize how the tool searches for a pattern or multiple patterns in this case.

How to retrieve or extract the tag value from XML in Linux?

The requirement is to retrieve the tag value of “CustName” from the xml file. Let us see how to get this done in different ways: 1. Using the sed command : Using sed substitution command, the pattern matching till the beginning of the opening tag is deleted.

Can you extract the title of an article with grep?

Extracting the title of the article represented by this document with grep would fail if you used any of the other answers posted here. You could technically write the regular expression to get what you need but it’s a lot easier with XPath.

How to extract an attribute from an XML file?

It’s better to use an XML parser to process XML since the order of the attributes can change and line breaks could be inserted resulting in the name and branch attributes being in different lines of the file. This will find a line containing name=”andy” and then loop through each field in that line.

How to search all XML files in a directory?

Using a proper XML parser to parse XML: This would find all regular files with names matching *.xml in or below the testmag directory. For batches of these, xq would be called to extract the value of every dbname node found in those documents.

How to search for a tag in XML file?

Try changing OrganisationId/ [@OrganisationType=’DEALER’] to OrganisationId [OrganisationType=’DEALER’]. The python issue is with print (OrganisationReference.attrib). The OrganisationReference doesn’t have any attributes; just text.

Which is the flag for grep searches recursively?

The -r flag for grep searches recursively. sed strips the string of everything except the value target. Thanks for contributing an answer to Unix & Linux Stack Exchange!

When to use grep on a trivial document?

If you know you’re dealing with a trivial document and the format doesn’t change or if it’s a one time job where you can quickly validate the results, you can go for grep as explained by others. Since you already use grep -P, why don’t you use its features?

Is the format indented in an XML file?

With your example XML above (slightly hacked, because it’s not valid, and I’ve assumed that your source XML actually is, and this is a transposition error). NB: This format is indented_a in XML::Twig.