text processing
Browse all articles, tutorials, and guides about text processing
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How to Count Number of Lines in Files Using Linux Terminal
Learn different methods to count lines in text files like CSV, TXT, and other non-binary files using wc, awk, sed, and other Linux command-line tools.
How to Use Grep to Show Only Filenames on Linux
Learn how to use grep options to display only the names of files containing matches, making it easier to identify relevant files in large searches.
How to Convert Strings to Lowercase in Bash
Discover multiple methods to convert strings to lowercase in Bash scripts, from modern parameter expansion to traditional command-line tools, with examples for different use cases and shell compatibility.
How to Check if a String Contains a Substring in Bash
Learn multiple methods to check for substring presence in Bash, including pattern matching, case-insensitive searches, and practical examples for string validation.
Looping Through File Content Line by Line in Bash
Learn multiple techniques to read and process file content line by line in Bash scripts, including handling special characters and preserving whitespace.