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13.01.2022 06:22:34 umbraticus@prosimetrum.com:

> depending on what you want you can also do Peano-like stuff...
>
> ; one = one
> ; two = (one $one)
> ; three = (one $two)
> ; five = ($two $three)
> ; four = $five($#two-)
> ; quinque = `{seq 5}
> ; if(~ $#five $#quinque) echo equal
> equal

Iirc, someone built a math rc library using this technique.

Also you can just use numbers:

valuefive=`{seq 5}
if(~ $#valuefive 5) echo is five
combined=($valuefive $valuefive)
if(~ $#combined 10) echo is ten

sirjofri

PS: it's a nice toy. But don't do that. Use the right tool.