Add ability to avoid shell processing

[hwittenborn]

I just got hyperfine installed on my system (sorry if I'm overlooking something obvious), but there doesn't seem to be any native way to avoid shell processing.

For example, I'd expect this to just print ${PWD}, but alas it prints the currently directory of my terminal:

hyperfine 'echo ${PWD}' --show-output

This also leads to another gripe with hyperfine I'm having: I'm not wanting to put the entire command I'm wanting to use inside of quotes. I'd much prefer to do something like this, and have the arguments get passed to the command in question without processing by a shell:

hyperfine --show-output -- echo '${PWD}'

[sharkdp]

but there doesn't seem to be any native way to avoid shell processing.

Please see #336

not wanting to put the entire command I'm wanting to use inside of quotes. I'd much prefer to do something like this, and have the arguments get passed to the command in question without processing by a shell:

It would be a possibility, but how would you do a multi-command benchmark? we would need some sort of separator argument:

hyperfine --show-output -- command1 --with --some --options \; command2 --with --other --options

which - to me - is even worse. Once we implement #336, we will only do simple string splitting for the arguments. So if you run hyperfine 'echo ${PWD}', we will call echo with one argument ${PWD} (literal).

[hwittenborn]

we would need some sort of separator argument
...
which - to me - is even worse

The only place I'd want the above approach is when you don't use shell processing, as you could otherwise just pass the ; via the command argument (inside the quotes).

The linked #336 issue would honestly solve all of my needs though. I would just need things like echo "hi me" to still just be the single hi me argument passed to echo.

[sharkdp]

The only place I'd want the above approach is when you don't use shell processing, as you could otherwise just pass the ; via the command argument (inside the quotes).

Not sure if I explained it well. What I meant was: I want to compare the runtime of command1 with the runtime of command2. Right now, I can do it like this:

hyperfine --show-output 'command1 --with --some --options' 'command2 --with --other --options'

[sharkdp]

The linked #336 issue would honestly solve all of my needs though. I would just need things like echo "hi me" to still just be the single hi me argument passed to echo.

Yes. We would probably use https://crates.io/crates/shell-words to do proper splitting of arguments.