Unzip multiple files into a single directory

Occasionally I have a need to unzip multiple zip files into a single directory, renaming any files with duplicate names so all zip contents end up in the same directory. I accomplish this in a lazy fashion with find and unzip.

First, put all the zip files you need to extract in the same folder. I used find with the -ctime flag to find files created today (as those are the ones I want.) I use the -exec flag to execute a command on the resulting files; in this case, the unzip program with the -B flag, which doesn’t overwrite files with duplicate names, and the -d flag to specify which folder to extract to:

find *.zip -ctime 1 unzip -B {} -d example/ \;

This finds and unzips all my files, but there is a catch: files with the same filename have been renamed with tildes at the end of each file, for example pic1.jpg~. I do another quick find operation to simply tack .jpg to the end of each of these files

find example/ -name "*~*" -exec mv {} {}.jpg \;

The result is a directory full of the files you desire. My case is very simplistic as it assumes that all files in each zip file are of the same extension. You could use something like awk to parse the result of find command and re-add appropriate extensions, but I won’t detail that here (see laziness reference above.)


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