The Linux Triad consists of the three most important commands in the Linux system, renowned for their powerful functionalities and wide range of applications. The combination of these three tools can almost perfectly address data analysis scenarios in the Shell, hence they are collectively referred to as the Linux Triad. 1. grep grep is a … Read more
Hello everyone! Today I bring you the thirty-first learning note, to discuss a very powerful text processing tool in Python—Regular Expressions. Regular expressions are like the “Swiss Army knife” of text processing, helping us quickly match, search, and extract complex text patterns. 1. Basics of Regular Expressions 1. What are Regular Expressions? Regular expressions are … Read more
Today, I will introduce three commands that are frequently used for text processing in our Linux operating system: grep, awk, and sed, collectively known as the “Three Musketeers of Text” in the community. Each of these commands has its strengths, and when used together, they can efficiently meet various needs for text searching, filtering, and … Read more
1. Project Background: Building a Regular Expression Training Ground In Python development practice, regular expressions are powerful tools for handling text data. This article demonstrates how to build a data generator and apply various regular expression techniques for text parsing through a complete practical project. We will delve into the entire technical chain from data … Read more
The Three Musketeers of Linux grep -n：Print line numbers -A：After, print the N lines after the matched content -B：Before, print the N lines before the matched content -C：Center, print N lines before and after the matched content -E: Support extended regex, e.g., grep -E 'root|nginx' /etc/passwd -v：Invert the match -o：Only print the matched content -w：Exact … Read more
1. File and Directory Operations 1. Basic File Operations ls -alh # List all files in detail (including hidden files) cd ~/projects # Change directory pwd # Display current path mkdir -p dir1/dir2 # Recursively create directories touch file.txt # Create an empty file or update the file timestamp cp -r src dest # Recursively … Read more
In the field of artificial intelligence, especially with the rapid development of large language models (LLMs), single-agent systems have shown significant limitations. This article will delve into why we need to shift from single-agent to multi-agent systems, analyze the current technical flaws of large language models, and elaborate on how multi-agent systems can effectively address … Read more