Purely Functional Scripting
Dev tools
scripting environment
SHOW HN2019
Purely Functional Scripting
Hi all, TopShell is a reactive scripting environment that I've been working on for a while.
github.com#functional scripting#shell scripting#purely functional language#reactive notebook
How HN took it
2 positive, 6 neutral or asking, 0 mixed, 1 critical, out of 9 comments about the project. Thread score +0.05.
Idea: 1 for, 1 againstDocs: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Clear code examples in the readme
From 1 comment
TopShell looks very interesting, thank you for sharing! This is a problem domain which I've been thinking a lot about recently. I write tons of shell (bash) scripts. I hate bash…
maddyboo on HN
Playground is a useful way to try the language
From 1 comment
This looks great, and I'm eager for more! I was initially put off by going straight to the repo's declared homepage (the Playground) and just seeing two empty text areas. The…
yoz on HN
Stream to stdin/stdout design idea would be useful
From 1 comment
> TopShell can use such programs, but TopShell scripts can't currently become such programs. I'm still looking for the right way to do this - one way would be to have a `main :…
maddyboo on HN
Objections
Bus factor of 1; project future uncertain
From 1 comment
Thank you for the long and thoughtful comment. I think you bring up a lot of valid points, and I don't have complete answers to all of them yet, but I'll do my best to address…
continuational on HN
Cannot yet use own editor; web interface only
From 1 comment
TopShell looks very interesting, thank you for sharing! This is a problem domain which I've been thinking a lot about recently. I write tons of shell (bash) scripts. I hate bash…
maddyboo on HN
Scripts cannot yet be run as standalone Unix-style programs
From 1 comment
Thank you for the long and thoughtful comment. I think you bring up a lot of valid points, and I don't have complete answers to all of them yet, but I'll do my best to address…
continuational on HN
Requests
Pre-fill the Playground with an example
From 1 comment
This looks great, and I'm eager for more! I was initially put off by going straight to the repo's declared homepage (the Playground) and just seeing two empty text areas. The…
yoz on HN
Document use with own editor or environment
From 1 comment
TopShell looks very interesting, thank you for sharing! This is a problem domain which I've been thinking a lot about recently. I write tons of shell (bash) scripts. I hate bash…
maddyboo on HN
Condense philosophy from wiki into the README
From 1 comment
TopShell looks very interesting, thank you for sharing! This is a problem domain which I've been thinking a lot about recently. I write tons of shell (bash) scripts. I hate bash…
maddyboo on HN
Questions
How does it fit the Unix philosophy and piping?
From 2 comments
TopShell looks very interesting, thank you for sharing! This is a problem domain which I've been thinking a lot about recently. I write tons of shell (bash) scripts. I hate bash…
maddyboo on HNto OP: How long have you been working on it? What was the biggest challenge you ran into when working on it? How does piping work? Can you split and join the streams?
iamwil on HN
Why Scala instead of Haskell or PureScript?
From 1 comment
Seeing how closely TopShell resembles Haskell I am curious why you chose to implement it in Scala rather than Haskell or Purescript.
spleeder on HN
How are network requests pure?
From 1 comment
The first example is a HTTP request, aren't network requests inherently unpure? as they rely on state outside of the program and could cause side effects...
gitgud on HN
Why magic imports in a purely functional language?
From 1 comment
Looks like Elm. Why did you add magic imports? It seems strange to go for purely functional behavior and then add magic side effects.
lidHanteyk on HN
Alternatives named
bash/zsh
From 1 comment
TopShell looks very interesting, thank you for sharing! This is a problem domain which I've been thinking a lot about recently. I write tons of shell (bash) scripts. I hate bash…
maddyboo on HN
Groovy
From 1 comment
> I've tried to use many other languages to fill the gap of writing scripts that start as quick one-offs but have the potential to evolve into a more refined piece of software…
zmmmmm on HN
Elm
From 1 comment
Looks like Elm. Why did you add magic imports? It seems strange to go for purely functional behavior and then add magic side effects.
lidHanteyk on HN
Haskell and PureScript
From 1 comment
Seeing how closely TopShell resembles Haskell I am curious why you chose to implement it in Scala rather than Haskell or Purescript.
spleeder on HN