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I thought this would have been asked a million times already, but my search didn't turn up anything.
Can I safely use an email address as a linux directory name? In other words is any valid email address also a valid directory name? If not are there any characters in particular that I would have to filter first?
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asked Jun 03 '13 20:06
An empty string is the only truly invalid path name on Linux, which may work for you if you need only one invalid name. You could also use a string like " ///foo ", which would not be a canonical path name, although it could refer to a file (" /foo ").
A valid email address consists of an email prefix and an email domain, both in acceptable formats. The prefix appears to the left of the @ symbol. The domain appears to the right of the @ symbol. For example, in the address [email protected], "example" is the email prefix, and "mail.com" is the email domain.
No, almost.
The '/' character is allowed in emails (http://en.wikipedia.org/wiki/Email_address#Syntax) but not in linux filenames.
See SO Answer here: Are there any invalid linux filenames?
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