Category Archives: Python

In Python 2.6+, normally we use a subprocess to execute a command line. To add timeout capability, we can take advantage of threading where we run the command in a thread and kill the thread if timeout. Below is an … Continue reading →

One could write a small function in Python to ping a host. Below is the code snippet.

This post illustrates a list of examples of what you can do using regex in python. Strip out the leading http(s) prefix. hostname = re.sub(r’https?://’, “”, hostname.lower()) Match a string with regex: if re.match(regex, value, flags=re.IGNORECASE) is None: print(“Fail to … Continue reading →

This example demonstrate how to walk a directory tree and replace pattern blob in Python. Unwanted directories and files are excluded. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, … Continue reading →

In Python, if one wants to remove duplicates items in a given list. The simplest approach would be feed the list in to a set function, and only the unique elements will remain in the output result. However, the side … Continue reading →

Remove trailing newline: Split string at delimiter: 1. Regular expression: 2. Traditional:

File IO: Approach 1: Approach 2: Path join: Output: >>> path1/path2 Create directory if not exist: