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1. Simple script to go through all the ... Simple script to go through all the files in a folder and move any that are identical to a "duplicates" folder. Identical is defined as having the same md5 hash. I used this to save space in a folder that had multiple copies of the same video clips I shot on my iPhone.

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   # Make a directory to hold any duplicates we find; this may result in "directory already exists" if running a second time.

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   mkdir duplicates

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   # Create an empty log file to hold hashes so we know which files we have seen before

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   log=/tmp/md5copylog-`date +%s`.log

2. Whatever Whatever

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    ¯\_(ツ)_/¯

3. Prepend filenames with hash to rando... Prepend filenames with hash to randomize order

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   # change mask for different filetypes

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   for f in *.batch;

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   do

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           m=`shasum ${f} | awk '{print substr($1,0,6)}'`