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FAQ 5.15 How can I translate tildes (~) in a filename?

 
 
PerlFAQ Server
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      04-29-2011
This is an excerpt from the latest version perlfaq5.pod, which
comes with the standard Perl distribution. These postings aim to
reduce the number of repeated questions as well as allow the community
to review and update the answers. The latest version of the complete
perlfaq is at http://faq.perl.org .

--------------------------------------------------------------------

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
functionality.

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)
)
}{
$1
? (getpwnam($1))[7]
: ( $ENV{HOME} || $ENV{LOGDIR} )
}ex;



--------------------------------------------------------------------

The perlfaq-workers, a group of volunteers, maintain the perlfaq. They
are not necessarily experts in every domain where Perl might show up,
so please include as much information as possible and relevant in any
corrections. The perlfaq-workers also don't have access to every
operating system or platform, so please include relevant details for
corrections to examples that do not work on particular platforms.
Working code is greatly appreciated.

If you'd like to help maintain the perlfaq, see the details in
perlfaq.pod.
 
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