Python and R Tips

Learn Data Science with Python and R

How To Check If a File or Directory Exists Using Shell Script?

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One of the common tasks in shell scripting in Linux/Mac OS, checking if a file or directory exists already and to create the file/directory if it does not exists. Here is how to check if a file or directory exists in Linux shell script. The basic syntax to check if a file exists is and […]

7 Tips to Play With File Names, Directory Names, and Paths in Python

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Python’s OS.path module have a lots of commands/methods that are greatly useful for all things files/directories/paths. Here are seven tips for playing with files, directories, and paths using Python os.path. These commands will help you check if a given path is a directory or not? find given path is a file? check if a file […]

How to Sort Lists in-place in Python?

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Let us starting simple and start with easy sort. Python has two sort functions; one function that sorts a list in-place and the other sort function “sorted” that creates a new sorted list. In this post, we will see examples of “in-place” sorting. Python’s in-place sorting As the name suggests the in-place sorting replaces the […]