| #!/usr/bin/env ruby | |
| require "erb" | |
| require "etc" | |
| if ARGV.empty? | |
| puts "Usage: #$0 files... > output.html" | |
| exit 1 | |
| end | |
| Job = Struct.new(:file, :child) | |
| MAX_JOBS = Etc.nprocessors | |
| JOBS = [] | |
| puts <<~HEAD | |
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| HEAD | |
| def wait_job(job) | |
| puts "<h1><tt>#{ERB::Util.h job.file}</tt></h1>" | |
| while data = job.child.read(1024) | |
| print data | |
| end | |
| Process.waitpid(job.child.pid) | |
| end | |
| while file = ARGV.shift | |
| while JOBS.size >= MAX_JOBS | |
| wait_job(JOBS.shift) | |
| end | |
| child = IO.popen(%W( | |
| pygmentize | |
| -f html | |
| -O nobackground,noclasses,linenos=inline | |
| #{file} | |
| )) | |
| JOBS << Job.new(file, child) | |
| end | |
| while job = JOBS.shift | |
| wait_job(job) | |
| end |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment