$ perldoc -q rename
Found in /usr/lib/perl5/5.6.1/pod/perlfaq5.pod
How can I reliably rename a file?
Well, usually you just use Perl's rename() function. That
may not work everywhere, though, particularly when renam
ing files across file systems. Some sub-Unix systems have
broken ports that corrupt the semantics of rename()--for
example, WinNT does this right, but Win95 and Win98 are
broken. (The last two parts are not surprising, but the
first is. :-)
If your operating system supports a proper mv(1) program
or its moral equivalent, this works:
rename($old, $new) or system("mv", $old, $new);
It may be more compelling to use the File::Copy module
instead. You just copy to the new file to the new name
(checking return values), then delete the old one. This
isn't really the same semantically as a real rename(),
though, which preserves metainformation like permissions,
timestamps, inode info, etc.
Newer versions of File::Copy exports a move() function.
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