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Current Perl documentation can be found at perldoc.perl.org.
Here is our local, out-dated (pre-5.6) version:
Well, usually you just use Perl's
rename() function. But that may not work everywhere, in particular, renaming files across file systems. If your operating system supports a
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 semantics as a real
rename(), though, which preserves metainformation like permissions, timestamps, inode info, etc.
The newer version of File::Copy export a
move() function.