Search for files with a specific size inside recursive zipped archives

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http://unix.stackexchange.com – I have a folder with several files. These files are either .xml or .zip files. These .zip files contain .xml and/or .zip files. These .zip contains also .xml or .zip, and so on... until we finally found .xml files. In others words, I can have several "levels" of zip before finding my .xml files (cf. example below). My requirement is to detect which root ZIP files contain at least one XML file that is bigger than 100Mb. When a ZIP file is in such case, it should be moved to another directory (let say ~/big-files). Also, if a non zipped .xml file is bigger than 100Mb, then it should be moved t (HowTos)