=over =item $EFFECTIVE_USER_ID =item $EUID =item $> X<< $> >> X<$EUID> X<$EFFECTIVE_USER_ID> The effective uid of this process. For example: $< = $>; # set real to effective uid ($<,$>) = ($>,$<); ...

=over =item $a =item $b X<$a> X<$b> Special package variables when using C<sort()>, see L<perlfunc/sort>. Because of this specialness C<$a> and C<$b> don't need to be declared (using C<use vars>, o...

=over =item ${^GLOBAL_PHASE} X<${^GLOBAL_PHASE}> The current phase of the perl interpreter. Possible values are: =over 8 =item CONSTRUCT The C<PerlInterpreter*> is being constructed via C<perl_cons...

=over =item $PERL_VERSION =item $^V X<$^V> X<$PERL_VERSION> =for comment These are documented in the generated file lib/Config.pod. This looks like as good a place as any to give notice that they a...

=over =item $LAST_SUBMATCH_RESULT =item $^N X<$^N> X<$LAST_SUBMATCH_RESULT> The text matched by the used group most-recently closed (i.e. the group with the rightmost closing parenthesis) of the la...

=over =item @{^CAPTURE} X<@{^CAPTURE}> X<@^CAPTURE> An array which exposes the contents of the capture buffers, if any, of the last successful pattern match, not counting patterns matched in nested...

=over =item $DEBUGGING =item $^D X<$^D> X<$DEBUGGING> The current value of the debugging flags. May be read or set. Like its L<command-line equivalent|perlrun/B<-D>I<letters>>, you can use numeric ...

=over =item $COMPILING =item $^C X<$^C> X<$COMPILING> The current value of the flag associated with the B<-c> switch. Mainly of use with B<-MO=...> to allow code to alter its behavior when being co...

=over =item $LIST_SEPARATOR =item $" X<$"> X<$LIST_SEPARATOR> When an array or an array slice is interpolated into a double-quoted string or a similar context such as C</.../>, its elements are sep...

# vim: syntax=pod 如果你用一般的文字編輯器閱覽這份文件, 請忽略文中奇特的註記字符. 這份文件是以 POD (簡明文件格式) 寫成; 這種格式是為了能讓人直接讀取, 而特別設計的. 關於此格式的進一步資訊, 請參考 perlpod 線上文件. =encoding utf8 =head1 NAME perltw - 正體中文 Perl 指南 =head1 DESCRIPTIO...