Expanding Tilde to Home Directory Using Go
Your program requires the ability to expand the tilde (~) character to the user's home directory for both absolute and relative paths. To accomplish this, Go provides the os/user package.
In Go, you can retrieve the current user's information using user.Current(). The user type has a HomeDir field that represents the user's home directory.
Once you have the home directory, you can use the path/filepath package to combine it with the given path.
Note that user.Current() is not available in the Go playground due to security concerns.
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