Diagnosing Bash Scripts that Exit Early Due to set -e (errexit) Behavior
Learn how to spot and fix unexpected script termination caused by Bash's set -e (errexit) mode.
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bashEmbed Lua 5.4 in a C Host Application
Run Lua scripts from C, expose host functions, and shut down the Lua state safely.
lua
cUsing REXX CALL to Invoke External Programs: An Architecture Note
A concise architecture note on using REXX CALL to invoke external programs, covering requirements, minimal design, trust boundaries, operational checks, failure modes, and when the design should evolve.
rexxUsing PowerShell Splatting to Keep Scripts Clean and Dynamic
Learn how PowerShell splatting reduces repetitive parameter lists, enables dynamic argument building, and what limits to watch for.
powershellMastering Bash Safety: The Power of set -euo pipefail in Scripts
Learn how Bash’s defensive options set -euo pipefail catch errors, handle unset vars, and flag pipeline failures. A step‑by‑step guide with examples, limitations, and best practices.
Writing Reusable Awk Scripts with User‑Defined Functions
Learn how to define and call functions in awk, handle arguments and return values, and work around the language’s lack of true local variables.
unix
awkSpeeding Up CSV Processing with PowerShell 7’s ForEach-Object -Parallel
Learn how PowerShell 7’s ForEach-Object -Parallel can cut CSV processing time by spreading work across multiple runspaces, with practical tips on throttling, variable sharing, and ordering.
Architecture Note: Bash Strict Mode set -euo pipefail for Reliable Scripts
Architecture note on using Bash strict mode to force early exit on errors, treat unset variables as faults, and propagate pipeline failures, with minimal design, trust boundaries, checks and change triggers.
Master PowerShell JSON Conversion: ConvertFrom-Json & ConvertTo-Json
Learn how PowerShell’s ConvertFrom-Json and ConvertTo-Json cmdlets turn JSON into objects and back, covering depth, type conversion, performance, and security. Practical examples and a checklist help you use them safely in production scripts.
json