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    On 21/08/18 08:24, Giles Coochey wrote: 
     
    
      
       
       
       
      On 20/08/18 23:07, M. J. Everitt
        wrote: 
       
      
        
        On 20/08/18 22:15, Pentiddy wrote: 
        
          
          Hello all... 
          A few years back I made the novice mistake of losing all my
          photos due to a disk crash... 
          I did however manage to run a recovery program on the disk and
          get images off it. 
          I am wanting to finally sort through these and delete spurious
          thumbnails, internet cached images etc. and wondered if there
          is a convenient way of for instance filtering just full sized
          pictures out of the folders, or deleting files below a certain
          size... I am Xfce based so thunar scripts an option... 
          Any help with this greatly appreciated- trying to sort out
          some memorable photo's for my Daughter leaving home. 
          Thanks 
          Anthony 
          
         
         
       
      The file command may be your friend, you can write a script to
      parse the results of: 
      $ file
        soccerball.png  
        soccerball.png: PNG image data, 96 x 96, 8-bit gray+alpha,
        non-interlaced 
       
     
    Ah, that was a png... with a JPEG you get different metadata, but
    still useful: 
    $ file
      yellow-rose.jpg  
      yellow-rose.jpg: JPEG image data, JFIF standard 1.01, resolution
      (DPI), density 72x72, segment length 16, Exif Standard: [TIFF
      image data, big-endian, direntries=0], baseline, precision 8,
      96x96, frames 3 
     
  
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