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=head2 File-related-Functions

=over 12

=item C<isdir($foo)> 

Tests whether $foo is a directory. Python: C<os.path.isdir()>, Perl: C<-d>.

=item C<isfile($foo)> 

Tests whether $foo is a plain file. Python: C<os.path.isfile()>, Perl: C<-f>. For more detailed file-testing use the other file-testing-operators described in "perldoc perlfunc", the stat()-function or the "File::stat"-module.

=item C<listdir($foo)>, C<oslistdir($foo)>

Returns a list of the filenames in the directory $foo. Directory-entries "." and ".." are left out. Python: C<os.listdir()>.

=item C<readfile($foo)> 

Returns the contents of the text-file named $foo as a list. Only use on smaller files, as this can take a lot of memory. For processing larger files, use the "Tie::File"-module instead. C<readfile()> is not a Python-builtin, although Python has a fun...

=item C<writefile($foo, @bar)>