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Re: Improve perlfaq5: How can I translate tildes (~) in a filename?

by halley (Prior)
on Jun 10, 2008 at 18:47 UTC ( #691304=note: print w/replies, xml ) Need Help??


in reply to Improve perlfaq5: How can I translate tildes (~) in a filename?

I'm not sure what the actual beef might be with that solution. Here is an explanatory paragraph to introduce the FAQ, which may be all it needs.
On systems which follow Unix shell conventions, a user may supply a pathname with the tilde (~) character to refer to the user's home directory (e.g., <c>~/file</c>), or another user's home directory (e.g., <c>~user/file</c>). This works in many Unix shells, but often does not work in scripts or applications by default. If your script would like to support this convenient but optional notation, then the built-in <c>getpwnam()</c> function and <c>%ENV</c> hash are the best places to refer, or use the newer globbing features that support them automatically.
On non-Unix systems, it might be broken. On non-Unix systems, though, the users are less likely to want to use Unix-isms like shell notations that scan /etc/passwd for data. Wrap the whole thing in a $^O if you like.

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[Corion]: LanX: Sure I can, but this is nothing that interests my module. It might be of concern to the user who expect the Chrome version number to have meaning ;)
[LanX]: well you can warn about missing features...
[LanX]: ... i.e. avoid headaches about bug reports...
[Corion]: Yeah, I've updated the documentation to mention just that :)

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