Strange errror while using find in batch script

Question

I'm trying this piece of code to resize jpg files inside folder recursively larger than 1 MB.

find . -type f -size +1M -name "*.jpg" | xargs convert -resize 1000x1000\> -verbose

Getting error message (which breaks batch after 15-20 iterations)

xargs: convert: terminated by signal 9

How to solve this issue?

This is going to pass multiple filenames to convert which I don't think it handles correctly. Are you sure this is doing what you want and not stomping over a good chunk of your original files? — Etan Reisner
– Etan Reisner, Commented Mar 4, 2015 at 14:24

AlexiusFlavius · Accepted Answer · 2015-03-04 14:13:06Z

xargs from my experience aren't working good in all cases, just as a proposition, try to use -exec, if you need fast solution to the problem

find . -type f -size +1M -name "*.jpg" -exec convert {} -resize 1000x1000\> -verbose {} \;

See if it will be helpful for you

Necreaux · Accepted Answer · 2015-03-04 19:31:01Z

xargs does not work properly if you have files with spaces in the name. In order for this to stand a chance of working, you should use the following syntax:

find . -type f -size +1M -name "*.jpg" -print0 | xargs -0 convert -resize 1000x1000\> -verbose

This will insert null characters as separators instead of using spaces as separators.

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