Print Value XML File to Another File
Overview
This article explains how to print the value of a specific key from an XML file to another file using command-line tools like grep and awk. It covers key concepts, subtopics, paragraphs, code blocks, and content inside code blocks properly formatted according to the programming language, including indentation and tabulation needed.
Prerequisites
- XML file with the required key-value pair
- Command-line interface (CLI) access
- Grep and Awk installed
Steps
- Open the terminal or command prompt.
- Navigate to the directory containing the XML file.
- Use the following command combination to print the value of the specific key from the XML file to another file:
grepis a command-line utility used for searching text within files.-Poption enables Perl-compatible regular expressions."WorkstationID"= "is the pattern to search for the specific key."\K"resets the match starting point."[^"]+"matches one or more non-quote characters.web.config.txtis the XML file containing the key-value pair.> output.txtredirects the output to a new file named output.txt.
grep -Po '"WorkstationID"= "\K[^"]+' web.config.txt > output.txt
Explanation:
This method allows you to easily extract specific key-value pairs from an XML file using command-line tools. The output is saved in a new file, making it easy to use or further process the data.
References
- Book: Learning the grep: Powerful and Easy Text Processing
- Article: Unix Awk Command
- Online Resource: Grep Online Manual