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#!/usr/bin/env ruby
cams = { "SIGMA DP2 Merrill" => "dp2m", "FP2" => "fp2", "Canon EOS 1000D" => "1000d", "iPad Air" => "ipadair", "iPhone 5" => "iphone5", "iPhone SE" => "iphonese", "IQ180" => "iq180" }
cams.default = "default"
file_ext = ARGV[0]
if !file_ext
file_ext = "jpg"
end
ids = []
while line = STDIN.gets # list of files
a = line.split('.')
a.pop
ids << a.join('.')
end
used_prefixes = {} # prefix -> 0..N
ids.each do |i|
exif = `exiftool #{i}.#{file_ext} 2>/dev/null`
a = exif.split "\n"
timestamp = nil
timestamp_bak = nil
cam = nil
cam_bak = nil
a.each { |j|
if j.start_with? "Camera Model Name"
cam = j
elsif j.start_with? "Model"
cam_bak = j
elsif j.start_with? "Date/Time Original"
timestamp = j
elsif j.start_with? "File Modification Date/Time"
if not timestamp_bak
timestamp_bak = j
end
elsif j.start_with? "Creation Date"
timestamp_bak = j
else
next
end
}
skip = false
t = ""
c = ""
new_prefix = ""
add = 0
begin
if timestamp
t = timestamp.split(':',2)[1].strip.gsub(/(:|\ )/, '-')
end
if timestamp_bak
t_bak = timestamp_bak.split(':',2)[1].strip.gsub(/(:|\ )/, '-')
end
if cam
c = cams[cam.split(':',2)[1].strip]
elsif cam_bak
c = cams[cam_bak.split(':',2)[1].strip]
else
c = "unknown-device"
end
if t.split('-').first.to_i < 2000
t = t_bak
if not t or t.split('-').first.to_i < 2000
puts "metadata unreasonable for #{i}, skipping!"
skip = true
end
end
new_prefix = "#{t}-#{c}"
add = 1
rescue
puts "Can't find metadata for #{i}, skipping!"
skip = true
end
next if skip
while used_prefixes.has_key? new_prefix
new_prefix = "#{t}-#{add}-#{c}"
add += 1
end
used_prefixes[new_prefix] = true
Dir.glob("#{i}*").each { |f|
ext = f.gsub(/^#{i}/,"")
if File.exists? "#{new_prefix}#{ext}"
puts "File exists: #{new_prefix}#{ext} (#{i})!"
exit
else
`mv #{i}#{ext} #{new_prefix}#{ext}`
end
}
end
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