I am a scala dev but for scripts I use ruby. With pry, I have a great REPL, and ruby has no problem with those filter chains. [1] pry(main)> `ls` => "READ

I am a scala dev but for scripts I use ruby. With pry, I have a great REPL, and ruby has no problem with those filter chains. [1] pry(main)> `ls` => "README.md\n" + "_build\n" + "config\n" + "lib\n" + "mix.exs\n" + "test\n" [2] pry(main)> `ls`.split => ["README.md", "_build", "config", "lib", "mix.exs", "test"] [3] pry(main)> `ls`.split.map(&:upcase) => ["README.MD", "_BUILD", "CONFIG", "LIB", "MIX.EXS", "TEST"] [4] pry(main)> `ls`.split.map(&:upcase).select { |x| x.match(/E/) } => ["README.MD", "MIX.EXS", "TEST"]