How about -e ?  That's what perl and ruby use.
- Dan

On Sun, Jul 5, 2026 at 6:35 PM Ian Lance Taylor <[email protected]> wrote:

> On Sun, Jul 5, 2026 at 6:31 PM 'Dan Kegel' via golang-nuts
> <[email protected]> wrote:
> >
> > Evidently AIs like Claude expect unix languages to accept input on the
> commandline, e.g.
> >
> > go run -e -c 'package main; func main() { println("hello"); }'
> >
> > This mistake happens very frequently.  Presumably it's hallucinating -e
> and -c because various other tools accept those as flags to indicate the
> input is on the commandline.
> >
> > I asked Claude's opinion on this:
> >
> > --- snip ---
> >
> >  Before you run that command, I'm going to file a bug against go to make
> your life easier.  Which example feels more natural to you for running
> short go programs: 1)  go run -c 'package main; func main()
> >
> > {println("hello");}'  or   2) echo 'package main; func main()
> {println("hello");}' | go run -
> >
> > ------- snip ----
> >
> > It replied:
> >
> > ------- snip ----
> >
> > Option 1 (go run -c '...') is what I instinctively reach for — it
> matches python -c, bash -c, perl -e. Less pipeline plumbing for quick
> checks.
> >
> > ------- snip ----
> >
> > Why not obey the principle of least surprise here, and do what feels
> natural to this (non-sentient) user?
>
> I don't feel strongly one way or another about whether the go tool
> should support passing in the source, but I note that the suggested
> approach would make "go run -c" very different from "go test -c".
>
> Ian
>

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