Perl Cookbook, Second Edition
| [SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] B-tree implementation, DB_File backreferences $1, $2, . . . 2nd finding doubled words \1, \2, . . . finding doubled words backslash (\) \1, \2, . . . (backreferences) \a for terminal bell \E string metacharacter \G anchor \L string escape \l string escape \U string escape \u string escape \X metacharacter ` string metacharacter creating arrays creating references escaping characters passing arrays and hashes by references 2nd references to arrays references to scalars backsniff program backtick (`) executing commands without shell escapes expanding gathering program output running another program backtracking finding doubled words in pattern matching bake( ) base class empty base class test basename( ), splitting filenames =begin pod directive bell, ringing benchmarking mod_perl applications Berkeley DB library bgets program biased random numbers, generating bidirectional clients binary files reading null-terminated strings numbers, converting trees bind( ), LDAP server binding, databases binmode( ) 2nd bless( ) 2nd blocking file access netlock program reading a line from a filehandle without region-specific locks blocking signals blocking( ) Boolean connectives in patterns browsers redirecting with CGI with mod_perl support for Unicode fonts buffered input/output 2nd 3rd controlling for other programs socket programming and building C extension modules modules from CPAN bytes I/O layer bytes, determining number of unread |