Textfsm tutorial. Jul 23, 2025 · TextFSM is a Python library used for parsing semi-structured text into structured data. Jun 12, 2023 · By developing a pool of template files, scripts can call textFSM to parse useful information from a variety of sources. See how to install, use templates, and extract interface information from show interface command output. It's particularly useful for extracting information from command-line outputs. What is TextFSM? To work with TextFSM you need command output and template: different commands need different templates TextFSM returns a tabular processing result (as a list of lists) this output is easily converted to csv format or to a list of dictionaries Jun 11, 2024 · In this blog post, we will look at TextFSM, a tool that helps parse the raw data (semi-structured) we often get from network devices. Oct 22, 2015 · First, they have taken advantage of a capability in TextFSM that allows you to dynamically select a template based on vendor, platform, and command information. It is also possible to use different templates on the same data, in order to create different tables (or views). Feb 7, 2013 · Learn how to use TextFSM, a python library for parsing text into structured data, with a Cisco ASA example. Oct 15, 2023 · I will start this series by covering an important tool called TextFSM that is extremely useful while working with unstructured or semi-structured data especially in the context of network automation. If you've ever tried to use TextFSM documentation, you might know it can be a bit confusing. . This article will introduce you to TextFSM, explain how it works, and provide examples with code and outputs to help you get started. qtarg jcnf yydc mok vdyuxl hcqtbl thxvjaq ebwc jfubj lbqpq