Guardfile

require 'timeout'

files_to_watch = %w{FYP.txt template.tex FYP.bib}

guard :shell do
  files_regex = Regexp.new(files_to_watch.join("|"))
  watch(files_regex) { regenerate }
end

def regenerate
  Timeout::timeout(90) do  
    puts 'Converting to tex'
    `pandoc FYP.txt -o FYP.tex --template=template.tex`
    puts 'Compiling tex (1st pass)'
    `latex -interaction=nonstopmode FYP`
    puts 'Executing bibtex'
    `bibtex FYP.tex`
    puts 'Compiling tex (2nd pass)'
    `latex -interaction=nonstopmode FYP`
    puts 'Compiling tex (3rd pass)'
    `latex -interaction=nonstopmode FYP`
    puts 'Building PDF'
    `pdflatex FYP`
    puts 'PDF Generated'
  end
rescue Timeout::Error
  puts 'It got stuck'
end