Alex Lyon

We should see if there's anywhere where the new `NonZero` types would work/benefit us.

sh: switch to LALRPOP?

4

I would vastly prefer to use something like LALRPOP or `pest` instead of `nom`, but right now neither support arbitrary bytes as input. There is [this issue](https://github.com/lalrpop/lalrpop/issues/230) for LALRPOP and...

I'm probably gonna use this issue to document differences that I've noticed between our shell and other shells, so it'll be edited/added to over time. ## `shift` in function ###...

Implement command substitution

2

The only issue at the moment is getting the output. Running the program and waiting for it should work fine.

Given that I am planning on using all the `mesabox` utilities as built-ins for the shell, I thought I would use this issue to categorize any issues that come up....

We should be doing: 1. tilde expansion, parameter expansion, command substitution, and arithmetic expansion 2. field splitting (this, based on the value of `$IFS`) 3. pathname expansion (_i.e._ globbing) 4....

Finish tar

1

~Because we use `tar-rs`, we will have [this issue](https://github.com/alexcrichton/tar-rs/issues/154) at the moment.~ The above has been fixed, so it will no longer be an issue when using an up-to-date version...

Not sure how commonly these are used, but they are needed for POSIX-compliance.

It's pretty sketchy right now.