Here's an example of logical comparisons and arithmetic in rc without them as first-class features, from a script I use to generate passwords
https://paste.sr.ht/~sircmpwn/cbe2b6c95df5d46ed8c095b03964eadcdf0d1e4a
How palatable would this be to you?
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@drewdevault
Crazy idea, what about an `next` builtin?
i=0
next i # i == 1
next i 5 # i == 6
next i -2 # i == 4
x=0x0F
next x # x == 0x10
s=the
next s # s == thf
