FUNCTION::CMDLINE_AR(3stap)

✨ FUNCTION::CMDLINE_AR ✨ (3stap)

okay bestie so you know the SystemTap Tapset Reference? yeah. this page lives there. it's a context function. context functions are the ones that go "hey what's actually going on in this process right now" and this one is specifically about argv. no cap. 💖

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🌸 NAME 🌸

function::cmdline_args — grab the command line arguments from the current process, bestie. that's it. that's the whole job. 🫶

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🎀 SYNOPSIS 🎀

cmdline_args:string(n:long,m:long,delim:string)

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💅 ARGUMENTS 💅

• n — the first argument you wanna get. heads up: zero is normally the program itself, so if you were expecting n=0 to be your first real arg… it's not, it's the command. okay so now you know. 🙈
• m — the last argument you wanna get. or, plot twist, pass minus one and you get all the arguments after n. queen behaviour honestly. 👑
• delim — the string used to glue the arguments together when there's more than one. pick literally anything you want, it's your separator era. ✨

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🦋 DESCRIPTION 🦋

so here's the vibe: this function hands you back the arguments from the current process, starting at argument number n and going up to argument m. inclusive. cute. 💖

and now the important bits, don't skip these:

• if there are less than n arguments, you get the empty string back. not an error, just… nothing. 💀
• if the arguments cannot be retrieved from the current process at all, also the empty string. again, no dramatic crash, just emptiness. 😭
• if m is smaller than n, then all arguments starting from argument n are returned. it's giving "you asked for a range but I'm giving you everything after n instead", and honestly? slay. 🔥

and the classic reminder, fr fr: argument zero is traditionally the command itself. it's not your first flag, it's the program. iykyk. 💅

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🌈 SEE ALSO 🌈

• tapset::context(3stap) — go read the context tapset bestie, this function is part of that whole squad 🧚

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that's the page!! this is from the SystemTap Tapset Reference, Ver, dated September 2026 — so if you're reading this in the future, hi, hope your probes are healthy and your arguments are all where you left them. 💜🌸⭐ periodt.