Scripts

Batch Scripts for System Administration

Explore how Windows system administrators use batch scripts to manage users, services, disks, and logs, with practical patterns for error handling and unattend…

Debugging Batch Scripts

Practical techniques for tracing execution, inspecting variable state, and isolating failures in Windows batch files.

Scheduling Batch Scripts with Task Scheduler

Learn how to automate the execution of batch files on Windows using Task Scheduler and the schtasks.exe command-line utility, including triggers, conditions, a…

Variables in Batch Scripts

Learn how Windows batch scripts store, read, and manipulate values using the set command, environment variables, delayed expansion, and substring syntax.

Pre-request Scripts

How to run JavaScript before a Postman request is sent, to set variables, compute signatures, and build dynamic request data.

Test Scripts Basics with pm.test()

How to write assertions in Postman's Tests tab using pm.test() and pm.expect() to automatically validate API responses.

PowerShell Best Practices

Practical conventions for writing PowerShell scripts and functions that stay readable, safe, and maintainable as they grow.

Running sed Scripts

How to invoke sed from the command line and from script files, including the key options that control input, output, and multi-command execution.

Running AWK Scripts

There are several ways to run AWK: inline one-liners, program files with -f, and self-executing scripts with a shebang. Knowing each lets you scale from a quic…

VBA vs Office Scripts

A practical comparison of classic VBA macros against Microsoft's newer TypeScript-based Office Scripts, covering runtime, platform reach, security, and when to…

Installing Tcl and Running Scripts

How to install Tcl/Tk on Linux, macOS, and Windows, verify the installation, and run scripts using tclsh and wish.

Tcl Best Practices

Practical conventions — namespacing, structured error handling, and safe command construction — that keep Tcl scripts maintainable as they grow.

Scripts vs Functions

Understand the key differences between MATLAB scripts and functions — workspace behavior, when to use each, and how to convert a script into a reusable functio…

Your First Lua Script

Write, run, and structure a small real Lua script, covering command-line execution, comments, print, and basic input.

Bash Script Debugging Techniques

Practical techniques for finding and fixing bugs in bash scripts, from tracing execution with set -x to using ShellCheck and traps for structured diagnostics.

Sourcing Scripts and Libraries

Learn how `source`/`.` works, how it differs from executing a script, and how to structure reusable Bash libraries that are safe to source.

Writing Portable Shell Scripts

How to write shell scripts that behave consistently across bash versions, macOS vs Linux, and POSIX sh, avoiding the common traps that break scripts on a diffe…

Writing Your First Bash Script

Get hands-on with the anatomy of a Bash script — shebang, permissions, execution, comments, and structuring commands into a reusable, repeatable tool.