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atduskgreg/gif_resize.rb

Created December 9, 2015 21:13
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gif_resize.rb
# resize an animated GIF
if ARGV.length < 3
puts "Usage:"
puts "ruby gif_prep.rb full_size.gif <size> small_size.gif"
exit
end
full = ARGV[0]
size = ARGV[1]
small = ARGV[2]
tmp_filename = "temp_#{full}"
`convert #{full} -coalesce #{tmp_filename}`
`convert temp_#{full} -resize #{size} #{small}`
`rm #{tmp_filename}`
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