function::return_str - Linux

Overview

function::return_str is a versatile command used to dynamically create and return a string from input text. It empowers users to define and construct strings on the fly, making it particularly useful for scripting, text processing, and creating custom output.

Syntax

function::return_str [str]

Parameters:

• str: The input text used to create the string. If omitted, an empty string is returned.

Options/Flags

None

Examples

Return a simple string:

$ function::return_str Hello

Output:

Hello

Return a string with line breaks:

$ function::return_str "Line 1\nLine 2\nLine 3"

Output:

Line 1
Line 2
Line 3

Return a string with variables:

$ variable="John Doe"
$ function::return_str "Name: $variable"

Output:

Name: John Doe

Common Issues

• Input containing special characters: If the input text contains special characters, such as quotes or apostrophes, you may need to escape them to avoid command interpretation errors.

Integration

Combine with other commands:

$ echo "This is a string" | function::return_str

Use in scripts:

#!/bin/bash

# Define a string
str=$(function::return_str "Hello from a script")

# Process the string here

Related Commands

• echo: Prints text to standard output
• printf: Formats and prints text with specified options
• sed: Stream editor used for text transformation
• awk: Pattern scanning and processing language