Rb

First I thought: This is stupid. But then I watched the examples on github and here in the comments, and I changed my mind: It's pretty neat :) I like it.

its a pretty nifty idea

Interesting, so it's reading text from STDIN into an Array, then executing its arguments as Ruby code in the context of that Array (or if you pass -l, in the context of each line…

The command should process stdin in streaming fashion rather than slurping it all at once: ``` code = ARGV[0] STDIN.each_line do |l| puts l.instance_eval(code) STDOUT.flush end ```

- Reading all the lines into an array is a big error. - It's a bit unintiuitive because you don't really know what strings to escape on the bash command line. In the example,…

It makes me a little uncomfortable that they're using curl|bash for something as simple as "put this 10-line script somewhere in your $PATH," especially when the script involves…

Yeah, and it's not even getting the code from an official source; it's coming from a random bit.ly link [created by a contributor][1]. I've [submitted a PR][2] to inline the…

What does this have over the default ruby? cat your-file.txt | ruby -ne '$_.your_ruby_stuff' Just syntactic sugar? (it does look cleaner!)

``` $ docker ps | rb drop 1 | rb -l split[1] $ docker ps | perl -anE 'say $F[1] if $.>1' ``` perl solved this problem a long time ago, people

for your given sample, you could use awk[0] as well ``` awk 'NR>1{print $2}' ``` or ruby[1] ``` ruby -ane 'puts $F[1] if $.>1' ``` which one to use depends on lots of factor -…

I'd love this for python as I'm not a big fan of Ruby. Does such a thing exist?

What does this have over the default ruby? cat your-file.txt | ruby -ne '$_.your_ruby_stuff' Just syntactic sugar? (it does look cleaner!)

``` echo hello world | ruby -pe '$_.capitalize!' printf 'hello\nworld\nhello\n' | ruby -le 'puts STDIN.to_a.uniq ps | ruby -lane 'BEGIN { b = 0 }; b += $F[0].to_i; END { print…

What does this have over the default ruby? cat your-file.txt | ruby -ne '$_.your_ruby_stuff' Just syntactic sugar? (it does look cleaner!)

``` $ docker ps | rb drop 1 | rb -l split[1] $ docker ps | perl -anE 'say $F[1] if $.>1' ``` perl solved this problem a long time ago, people

for your given sample, you could use awk[0] as well ``` awk 'NR>1{print $2}' ``` or ruby[1] ``` ruby -ane 'puts $F[1] if $.>1' ``` which one to use depends on lots of factor -…

"pyped" does the same for python. I though it was great, knowing python better than bash, plus it was portable to windows. But eventually I always end up using built in GNU…

Several people have tried to tackle this in Python. My attempt was python-oneliner[1]. There's also a list of similar projects in the readme. [1]…