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Contents
#!/usr/bin/env ruby
require "polytexnic"
require 'optparse'
require 'fileutils'
# polytexnic command-line script
# The polytexnic script converts Markdown to HTML or LaTeX
# using the PolyTeXnic HTML pipeline.
examples = %(
The polytexnic script converts Markdown to HTML or LaTeX
using the PolyTeXnic HTML pipeline.
Examples:
polytexnic example.md example.html
polytexnic example.md > example.html
polytexnic < example.md > example.html
cat example.md | polytexnic > example.html
polytexnic -i example.md > example.html
polytexnic -i example.md -o example.tex
polytexnic -f tex example.md)
options = {}
OptionParser.new do |opts|
opts.banner = "Usage: polytexnic [options]\n#{examples}\n\n"
opts.on("-i", "--input=INPUT", "Use file input") do |infile|
options[:infile] = infile
end
opts.on("-o", "--output=OUTPUT", "Use file output") do |outfile|
options[:outfile] = outfile
end
opts.on("-f", "--format", "Use output format [html, tex]") do |format|
options[:format] = format
end
end.parse!
# Returns the file format based on extension.
# Should be 'html' or 'tex'.
def format(filename)
filename.split('.').last
rescue
nil
end
# Defines a valid HTML template.
def html_template(title, body)
%(<!DOCTYPE html>
<html>
<head>
<title>#{title}</title>
<meta charset="utf-8">
</head>
<body>
#{body}
</body>
</html>
)
end
if (infile = options[:infile] || ARGV.shift)
puts infile
input = File.read(infile)
else
input = STDIN.read
end
outfile = options[:outfile] || ARGV.shift
puts outfile
pipeline = Polytexnic::Pipeline.new(input, article: true)
format = options[:format] || format(outfile) || "html"
if format == "html"
output = html_template("HTML output", pipeline.to_html)
elsif format == "tex"
output = pipeline.to_polytex
else
raise ArgumentError, "Invalid format: #{format}"
end
if outfile
File.write(outfile, output)
else
puts output.strip
end
Version data entries
25 entries across 25 versions & 1 rubygems