convert.yml

--- 
convert: |-
  = IMAGEMAGICK
  
  Working with images, PDFs and the command line
  
  # convert from one format to another
  
  convert image.gif image.jpg
  
  # convert specific PDF page to image
  
  convert -thumbnail x300 test.pdf[0] test.png
  
  # create thumbnails for all pages in PDF document
  
  convert -thumbnail x300 test.pdf test.png
  
  # as above, controlling the width, having height suited
  
  convert -thumbnail 400 test.pdf test.png
  
  # crop an image from the bottom corner
  
  convert -crop '595x711-0+1309' image.jpg output.jpg
  
  # make a looping animated gif
  
  convert -delay 20 -loop 0 image*.jpg image.gif