=over =item readdir DIRHANDLE X<readdir> Returns the next directory entry for a directory opened by L<C<opendir>|/opendir DIRHANDLE,EXPR>. If used in list context, returns all the rest of the entri...

=over =item scalar EXPR X<scalar> X<context> Forces EXPR to be interpreted in scalar context and returns the value of EXPR. my @counts = ( scalar @a, scalar @b, scalar @c ); There is no equivalent ...

=over =item recv SOCKET,SCALAR,LENGTH,FLAGS X<recv> Receives a message on a socket. Attempts to receive LENGTH characters of data into variable SCALAR from the specified SOCKET filehandle. SCALAR w...

=over =item chroot FILENAME X<chroot> X<root> =item chroot This function works like the system call by the same name: it makes the named directory the new root directory for all further pathnames t...

=over =item telldir DIRHANDLE X<telldir> Returns the current position of the L<C<readdir>|/readdir DIRHANDLE> routines on DIRHANDLE. Value may be given to L<C<seekdir>|/seekdir DIRHANDLE,POS> to ac...

=over =item field VARNAME X<field> Declares a new field variable within the current class. Methods and C<ADJUST> blocks of the class will have access to this variable as if it was a lexical in scop...

=over =item quotemeta EXPR X<quotemeta> X<metacharacter> =item quotemeta Returns the value of EXPR with all the ASCII non-"word" characters backslashed. (That is, all ASCII characters not matching ...

=over =item flock FILEHANDLE,OPERATION X<flock> X<lock> X<locking> Calls L<flock(2)>, or an emulation of it, on FILEHANDLE. Returns true for success, false on failure. Produces a fatal error if use...

=over =item defined EXPR X<defined> X<undef> X<undefined> =item defined Returns a Boolean value telling whether EXPR has a value other than the undefined value L<C<undef>|/undef EXPR>. If EXPR is n...

=over =item substr EXPR,OFFSET,LENGTH,REPLACEMENT X<substr> X<substring> X<mid> X<left> X<right> =item substr EXPR,OFFSET,LENGTH =item substr EXPR,OFFSET Extracts a substring out of EXPR and return...