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Locate or Find Waldo with the Bash Shell

Locate or Find Waldo with the Bash Shell

That wily Mr. Waldo is off on another one of his adventures. This time he’s taken refuge somewhere in the Linux file tree, and it’s up to us to figure out where he went. There are two excellent bash shell commands at our disposal: find and locate. I’d like to get this job done quick, so lets start with the …

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Getting Help with Built-In Bash Shell Commands

Getting Help with Built-In Bash Shell Commands

Whenever the shell gets me feeling down, I use the ‘help’ command to get my feet back on the ground. The help command provides information on built-in commands. Built-in commands are any programs bundled with your version of the bash shell. For a complete list of the built-in commands available to you, simply enter ‘help’ at the terminal prompt. That’s …

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Python String Operations: Concatenation, Multiplication, Indexing and Slicing

Python String Operations: Concatenation, Multiplication, Indexing and Slicing

Did the excitement of the print() function wear off? There’s a lot more to strings than simply printing them out in IDLE. In this tutorial we will cover Python string operations: concatenation, multiplication, indexing and slicing. If you’re just joining us, you might want to check out our previous tutorial introducing strings. String Operations Think of strings like beads on …

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print(“Python Strings & Characters”)

print(“Python Strings & Characters”)

“Hello, World!” Do you remember our first program? We used the print() function to output a line of text. The phrase “Hello, World!” is a string, and a string is a sequence of characters. We create a string by wrapping a sequence of characters in quotation marks. Even a single character is considered a string. So it follows that a …

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