Created
April 9, 2012 12:58
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Print the headers from a markdown document into 1.2.3 format
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file = '/Users/skattyadz/Dropbox/PlainText/FYP.txt' | |
toc = '' | |
number_stack = [0] | |
File.readlines(file).each do |line| | |
if line[0] == '#' | |
hash_count = line.count('#') | |
if hash_count > number_stack.length | |
# down a level | |
number_stack << 1 | |
else | |
if hash_count < number_stack.length | |
# up a level | |
levels_up = number_stack.length - hash_count | |
levels_up.times do | |
number_stack.pop | |
end | |
end | |
subheader_number = number_stack.pop + 1 | |
number_stack << subheader_number | |
end | |
spacing = if hash_count == 1 | |
"\n" | |
else | |
"\t" * (hash_count - 1) | |
end | |
header_number = number_stack * '.' | |
line_without_hashes = line.delete! '#' | |
toc << spacing + '- ' + header_number + line_without_hashes | |
end | |
end | |
puts toc |
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Output (markdown)