rename-pix-by-time-and-cam

1 files changed, 54 insertions, 0 deletions

diff --git a/rename-pix-by-time-and-cam b/rename-pix-by-time-and-cam
new file mode 100755
index 0000000..dc4041f
--- /dev/null
+++ b/rename-pix-by-time-and-cam
@@ -0,0 +1,54 @@
+#!/usr/bin/env ruby
+
+cams = { "SIGMA DP2 Merrill" => "dp2m", "FP2" => "fp2", "Canon EOS 1000D" => "1000d", "iPad Air" => "ipadair" }
+cams.default = "default"
+
+ids = []
+while line = STDIN.gets # list of files
+  a = line.split('.')
+  a.pop
+  ids << a.join '.'
+end
+ids.uniq!
+
+used_prefixes = {} # prefix -> 0..N
+
+ids.each do |i|
+  exif = `exiv2 #{i}.jpg 2>/dev/null`
+  a = exif.split "\n"
+  timestamp = nil
+  cam = nil
+  a.each { |j|
+    if j.start_with? "Camera model"
+      cam = j
+    elsif j.start_with? "Image timestamp"
+      timestamp = j
+      next
+    else
+      next
+    end
+  }
+  begin
+    t = timestamp.split(':',2)[1].strip.gsub(/(:|\ )/, '-')
+    c = cams[cam.split(':',2)[1].strip]
+    new_prefix = "#{t}-#{c}"
+    add = 1
+    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}, exiting!"
+        exit
+      end
+      `mv #{i}#{ext} #{new_prefix}#{ext}`
+    }
+  rescue
+    puts "Error @#{i}"
+  end
+end
+