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This is an excerpt from the latest version perlfaq5.pod, which
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5.15: How can I translate tildes (~) in a filename?

Use the <> ("glob()") operator, documented in perlfunc. Versions of Perl
older than 5.6 require that you have a shell installed that groks
tildes. Later versions of Perl have this feature built in. The
"File::KGlob" module (available from CPAN) gives more portable glob

Within Perl, you may use this directly:

$filename =~ s{
^ ~ # find a leading tilde
( # save this in $1
[^/] # a non-slash character
* # repeated 0 or more times (0 means me)
? (getpwnam($1))[7]
: ( $ENV{HOME} || $ENV{LOGDIR} )


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