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I would like to loop through some directories with pictures and copy (and after reviewing remove) them to another directory based on image dimensions, let's say smaller than 800x600.

I've tried a query like 

find . -iname "*.jpg" -type f -exec identify -format '%w %h %i' '{}' \; | awk '$1<800 || $2<600

but I get no results, but I'm certain that there are smaller pictures.

Can anyone give me a hint? Thanks!

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  • superuser.com/q/1513618/432690 Commented Mar 10, 2020 at 12:28
  • Possibly related shell command to get pixel size of an image Commented Mar 10, 2020 at 12:35
  • What happens if you change the format string to '%w %h %i\n'? I think your entire output may get concatenated to one single line at the moment because the format doesn't specify that a new-line is to be printed at end-of-record, and if the very first picture found doesn't happen to be smaller than 800x600, the entire output will be discarded by awk. Commented Mar 10, 2020 at 13:00
  • Also, shouldn't it be awk '$1<800 && $2<600'? Commented Mar 10, 2020 at 13:02
  • 1
    Does this answer your question? Use mogrify to resize large files while ignoring small ones Commented Mar 10, 2020 at 18:09

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