What linux shell command returns a part of a string?
Feb 28, 2017 · If you are looking for a shell utility to do something like that, you can use the cut command. To take your example, try: echo "abcdefg" | cut -c3-5 which yields cde Where -cN …
Check if a String Contains a Substring in Linux - Baeldung
Mar 18, 2024 · In this article, we’ve addressed different approaches to check if a string contains a specific substring. We’ve reviewed some shell builtins and the utilities grep, sed, awk, and Perl …
bash - Linux: shell builtin string matching - Stack Overflow
Apr 30, 2010 · Typically, $ {somename} will substitute the contents of a defined parameter: The % and # symbols are allowing you to add commands that modify the default behavior. The …
shell script - Test if a string contains a substring - Unix & Linux ...
Jun 13, 2017 · For the portable way to test if an string contains a substring, use: file="JetConst_reco_allconst_4j2t.png"; testseq="gen" [ "${file##*$testseq*}" ] || echo True …
I'd like to do a plain substring match with shell scripts
May 14, 2011 · The correct usage for the given SUBSTRING is fnmatch "*$SUBSTRING*" "$STRING1". Other than that, +1 for correct syntax and optimization. if [[ `echo "$1" | grep …
Extracting a Substring in Bash | Baeldung on Linux
Apr 9, 2025 · Extracting a substring from a string is a fundamental and common operation of text processing in Linux. In this tutorial, we’ll examine various ways to extract substrings using the …
Different Examples of Checking Whether a String Contains a Substring …
Oct 31, 2023 · There are several ways to check if a Bash string contains a substring. In this comprehensive guide, we will explore the various methods to search for substrings in Bash.
Bash Substring: String Handling in Linux Shell Script
Dec 6, 2023 · Bash substring extraction allows us to precisely cut out the parts of a string we need, providing a versatile and handy tool for various tasks. In this guide, we’ll walk you …
Mastering String Containment In Bash: If, Case, And Grep Methods
Mar 23, 2024 · Learn how to check if a string contains a substring and execute actions based on the result. Handle multiple substrings, ignore case sensitivity, and perform partial matches …
How to Use Bash String Manipulation to Check for Substrings in Linux
Aug 7, 2023 · Bash is the default shell for Linux and provides a variety of string manipulation tools. Use the if statement and the [[...]] test operator to check if a string contains a substring. …