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This is just a little snippit to split a large file into smaller chunks (4mb in this example) and then send the chunks off to (e)mail for archival using mutt.
I usually encrypt the file before splitting it using openssl:
openssl des3 -salt -k <password> -in file.tgz -out file.tgz.des3
To restore, simply save attachments and rejoin them using:
cat file.tgz.* > output_name.tgz
and if encrypted, decrypt using:
openssl des3 -d -salt -k <password> -in file.tgz.des3 -out file.tgz
edit: (changed "g" to "e" for political correctness)
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