On Mon, Jul 6, 2026 at 3:10 AM Rob Pike <[email protected]> wrote:
> Surely these AI tools are powerful enough that you can tell them how to
> run the command rather than changing the language's tools to cover their
> inadequacies.
>
I've observed people never bothering to do go build; they want to treat go
like an interpreter.
And most popular interpreters offer a way to run code from the commandline.
Here's a little rosetta stone:
# Program coming from stdin
echo 'echo "Hello, World!"' | sh
echo 'echo "Hello, World!"' | pwsh
echo 'print("Hello, World!")' | python3
echo 'print "Hello, World!\n"' | perl
echo 'puts "Hello, World!"' | ruby
echo '<?php echo "Hello, World!\n"; ?>' | php
echo 'console.log("Hello, World!")' | node
echo 'print("Hello, World!")' | lua
#not supported in go
# Program coming from commandline option
sh -c 'echo "Hello, World!"'
pwsh -Command 'echo "Hello, World!"'
python3 -c 'print("Hello, World!")'
perl -e 'print "Hello, World!\n"'
ruby -e 'puts "Hello, World!"'
php -r 'echo "Hello, World!\n";'
node -e 'console.log("Hello, World!")'
lua -e 'print("Hello, World!")'
awk 'BEGIN{print "Hello, World!"}'
echo 'package main; func main() {println("Hello, world!")}' > hello.go; go
run hello.go; rm hello.go
It does seem worth supporting, at least to me, as an idiom for quickly
printing out constants or running really tiny programs.
- Dan
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