Simplifying Text Extraction with Rexx PARSE
Stop fighting with inconsistent regex engines. Learn how Rexx's PARSE instruction uses simple templates to extract text fields consistently across Linux, Windows, and mainframes.
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rexxUsing Lua Coroutines for Cooperative Multitasking
Learn how Lua coroutines enable lightweight cooperative multitasking, see a simple number‑generator example, understand status checks, and avoid common mistakes like resuming dead coroutines or stack overflow.
luaBash Associative Arrays: Speedy, Readable Key‑Value Handling
Traditional shell scripts often use grep or awk to simulate maps, but Bash 4+ offers native associative arrays. This guide shows syntax, a word‑frequency example, trade‑offs, and how to check your Bash version.
bashHarnessing Rexx’s Built‑In REGEXP: A Practical Guide to Pattern Matching
Rexx’s built‑in REGEXP function lets you perform POSIX‑style pattern matching without external libraries. Learn how to extract substrings, pre‑compile patterns for speed, and avoid common pitfalls like backtracking and legacy support gaps.
Why You Should Be Using Perl’s Built‑In ‘say’ Function (and When to Avoid It)
Perl’s built‑in ‘say’ function automatically appends a newline, simplifying output and reducing bugs. Learn how to enable it, use it in real scripts, and understand its trade‑offs and limitations.
perlAssociative arrays: transitioning to Bash 4.0 and maintaining compatibility with older shells
Goal Create a single Bash script that leverages associative arrays for efficient key‑value lookups while remaining functional on systems that only provide Bash 3.x or earlier, where the -A option to declare is unavailable. The constraint is that attempting to declare an associative array on Bash 3.x produces a parsing error, preventing the script from starti
Photoshop COM automation shows additive latency when multiple requests run concurrently
Goal: Determine if Photoshop’s scripting/COM interface can be configured to prioritize or abort queued automation requests to mitigate additive latency under concurrent load. Constraints: Photoshop’s ExtendScript and COM automation execute on the single‑threaded UI thread, causing requests to be serialized; Adobe’s documentation offers no built‑in prioritiza
photoshopError while checking IPv6 address using Get-NetIpAddress
Get-NetIPAddress -AddressFamily IPv6 -AddressState Preferred -SuffixOrigin DHCP | Select IPAddress I am facing the error below while executing above script. It shows the correct IPv6 configurations for some details but for some servers it is showing below error, Can someone explain what suffixorigin DHCP indicates and why it is showing below error on some se
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