Perldoc Search: "$;" perl-5.20.1

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6 PODs, 12 LINEs found.
perlsub.pod
906 :        sub myindex ($$;$)      myindex &getstring, "substr"
907 :        sub mysyswrite ($$$;$)  mysyswrite $buf, 0, length($buf) - $off, $off
966 :         sub mygetprotobynumber($;);
perlvar.pod
161 :     $;      The subscript separator for multidimensional array emulation. If you refer to a hash element as
167 :                 $foo{join($;, $a, $b, $c)}
177 :             Default is "\034", the same as SUBSEP in awk. If your keys contain binary data there might not be any safe value for $;.
perltie.pod
28 :         tie $my_speed,  'Nice', $$;
45 :                 my $pid = shift || $$; # 0 means me
perldata.pod
419 :     Multidimensional arrays may be emulated by subscripting a hash with a list. The elements of the list are joined with the subscript separator (see "$;" in perlvar).
425 :         $foo{join($;, $a, $b, $c)}
perlipc.pod
37 :             kill HUP => -$$;
perltrap.pod
68 :               SUBSEP    $;
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