/usr/bin/html-pipeline is in ruby-html-pipeline 1.11.0-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | #!/usr/bin/ruby
require 'html/pipeline'
require 'optparse'
# Accept "help", too
ARGV.map!{|a| a == "help" ? "--help" : a }
OptionParser.new do |opts|
opts.banner = <<-HELP.gsub(/^ /, '')
Usage: html-pipeline [-h] [-f]
html-pipeline [FILTER [FILTER [...]]] < file.md
cat file.md | html-pipeline [FILTER [FILTER [...]]]
HELP
opts.separator "Options:"
opts.on("-f", "--filters", "List the available filters") do
filters = HTML::Pipeline.constants.grep(/\w+Filter$/).
map{|f| f.to_s.gsub(/Filter$/,'') }
# Text filter doesn't work, no call method
filters -= ["Text"]
abort <<-HELP.gsub(/^ /, '')
Available filters:
#{filters.join("\n ")}
HELP
end
end.parse!
# Default to a GitHub-ish pipeline
if ARGV.empty?
filters = [
HTML::Pipeline::MarkdownFilter,
HTML::Pipeline::SanitizationFilter,
HTML::Pipeline::ImageMaxWidthFilter,
HTML::Pipeline::EmojiFilter,
HTML::Pipeline::AutolinkFilter,
HTML::Pipeline::TableOfContentsFilter,
]
# Add syntax highlighting if linguist is present
begin
require 'linguist'
filters << HTML::Pipeline::SyntaxHighlightFilter
rescue LoadError
end
else
def filter_named(name)
case name
when "Text"
raise NameError # Text filter doesn't work, no call method
end
HTML::Pipeline.const_get("#{name}Filter")
rescue NameError => e
abort "Unknown filter '#{name}'. List filters with the -f option."
end
filters = []
until ARGV.empty?
name = ARGV.shift
filters << filter_named(name)
end
end
context = {
:asset_root => "/assets",
:base_url => "/",
:gfm => true
}
puts HTML::Pipeline.new(filters, context).call(ARGF.read)[:output]
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