awk – CodeRavo

Working with Field Separators in AWK

AWK is a powerful text processing tool that excels at pattern scanning and processing. A core … Working with Field Separators in AWKRead more

awk, command-line-tools, data extraction, data manipulation, field-separator, fs, pattern-scanning, regular expressions, shell scripting, text-processing

Filtering Lines with `grep`: Excluding Specific Words or Patterns

Filtering Lines with grep: Excluding Specific Words or Patterns The grep command is a powerful tool … Filtering Lines with `grep`: Excluding Specific Words or PatternsRead more

awk, Bash, Command Line, exclude, grep, invert-match, pattern matching, regular expressions, text filtering, text-processing

Extracting Specific Words with `grep` and Other Tools

When working with text files, a common task is to search for patterns within the content. … Extracting Specific Words with `grep` and Other ToolsRead more

awk, Command Line, extract-words, grep, posix, regular expressions, tr

Filtering Lines with Negative Matching in Command-Line Tools

Introduction When working with text data in a command-line environment, it’s often necessary to filter lines … Filtering Lines with Negative Matching in Command-Line ToolsRead more

awk, Command Line, filtering, find, grep, negative-matching, pattern matching, regular expressions, shell scripting, text-processing

Arithmetic Operations in Bash: A Comprehensive Guide to Scripting with Numeric Calculations

Introduction Bash scripting is a powerful tool for automating tasks on Unix-like operating systems. One of … Arithmetic Operations in Bash: A Comprehensive Guide to Scripting with Numeric CalculationsRead more

arithmetic-expansion, arithmetic-operations, awk, Bash scripting, bc, floating-point-arithmetic, numeric-calculations

Converting Strings to Lowercase (and Uppercase) in Bash

Introduction In shell scripting, particularly with Bash, manipulating string cases is a common task. Whether you’re … Converting Strings to Lowercase (and Uppercase) in BashRead more

awk, Bash, lowercase-conversion, nodejs, parameter-expansion, perl, PHP, Python, ruby, sed, string manipulation, tr, uppercase-conversion

Efficient JSON Parsing on Unix Systems: Tools and Techniques

Introduction to JSON Parsing JSON (JavaScript Object Notation) is a lightweight data interchange format that’s easy … Efficient JSON Parsing on Unix Systems: Tools and TechniquesRead more

awk, Command Line, cURL, grep, jq, JSON, json-module, sed, text-processing, unix

Counting Lines in Text Files from the Command Line

Counting Lines in Text Files from the Command Line Often, when working with text files – … Counting Lines in Text Files from the Command LineRead more

awk, Bash, Command Line, file-processing, grep, line-count, Linux, sed, terminal, Text Files, wc

Filtering Lines from a Text File

Filtering Lines from a Text File Often, you’ll need to process text files and remove lines … Filtering Lines from a Text FileRead more

awk, grep, pattern matching, sed, text filtering

Replacing Newlines with Spaces: A Guide to Using `sed`, `tr`, and Other Unix Tools

Introduction Text processing is a fundamental task in computing, often involving transformation of text data. One … Replacing Newlines with Spaces: A Guide to Using `sed`, `tr`, and Other Unix ToolsRead more

awk, newline replacement, sed, tr, Unix tools