Execute HQ9+: Difference between revisions

=={{header|Julia}}

{{works with|Julia|0.6}}

<lang julia>hello() = println("Hello, world!")

quine() = println(src)

bottles() = for i = 99:-1:1 print("\n$i bottles of beer on the wall\n$i bottles of beer\nTake one down, pass it around\n$(i-1) bottles of beer on the wall\n") end

acc = 0

incr() = global acc += 1

const dispatch = Dict(

'h' => hello,

'q' => quine,

'9' => bottles,

'+' => incr)

if length(ARGS) < 1

println("Usage: julia ./HQ9+.jl file.hq9")

exit(1)

else

file = ARGS[1]

end

try

open(file) do s

global src = readstring(s)

end

catch

warning("can't open $file")

exit(1)

end

for i in lowercase(src)

if haskey(dispatch, i) dispatch[i]() end

end</lang>