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<HTML><HEAD><TITLE>Index</TITLE></HEAD><BODY BGCOLOR="#FFFFFF" TEXT="#000000"> <IMG SRC="../gifs/smbanner.gif" ALT="Perl Cookbook" USEMAP="#srchmap" BORDER="0"></H2><MAP NAME="srchmap"><area alt="Book Title" href="../index.htm" coords="1,-2,616,66" shape="rect"><area alt="Search this book" href="../jobjects/fsearch.htm" coords="629,-11,726,25" shape="rect"></MAP><A HREF="idx_0.htm">Symbols & Numbers</A>| <A HREF="idx_a.htm">A</A>| B| <A HREF="idx_c.htm">C</A>| <A HREF="idx_d.htm">D</A>| <A HREF="idx_e.htm">E</A>| <A HREF="idx_f.htm">F</A>| <A HREF="idx_g.htm">G</A>| <A HREF="idx_h.htm">H</A>| <A HREF="idx_i.htm">I</A>| <A HREF="idx_j.htm">J</A>| <A HREF="idx_k.htm">K</A>| <A HREF="idx_l.htm">L</A>| <A HREF="idx_m.htm">M</A>| <A HREF="idx_n.htm">N</A>| <A HREF="idx_o.htm">O</A>| <A HREF="idx_p.htm">P</A>| <A HREF="idx_q.htm">Q</A>| <A HREF="idx_r.htm">R</A>| <A HREF="idx_s.htm">S</A>| <A HREF="idx_t.htm">T</A>| <A HREF="idx_u.htm">U</A>| <A HREF="idx_v.htm">V</A>| <A HREF="idx_w.htm">W</A>| <A HREF="idx_x.htm">X</A>| <A HREF="idx_y.htm">Y</A>| <A HREF="idx_z.htm">Z</A></FONT><H2>Index: B</H2><DL><DT><A NAME="b.2dtree-implementation">B-tree implementation (DB_File)</A>: <A HREF="../ch14_07.htm">14.6. Sorting Large DBM Files</A><DT><A NAME="backreferences">backreferences ($1, $2, ...)</A>: <A HREF="../ch06_01.htm#ch06-35940">6.0. Introduction</A><DD><DL> <DT>finding duplicate words: <A HREF="../ch06_17.htm">6.16. Detecting Duplicate Words</A></DL><DT><A NAME="backslash">backslash ( )</A><DD><DL> <DT>escaping characters: <A HREF="../ch01_14.htm">1.13. Escaping Characters</A> <DT>operator <DD><DL> <DT><A HREF="../ch10_06.htm">10.5. Passing Arrays and Hashes by Reference</A> <DT><A HREF="../ch11_06.htm">11.5. Taking References to Scalars</A> </DL></DL><DT><A NAME="backsniff-program">backsniff program (example)</A>: <A HREF="../ch17_18.htm">17.17. Program: backsniff</A><DT><A NAME="backtick">backtick (`)</A><DD><DL> <DT>expanding: <A HREF="../ch01_11.htm">1.10. Interpolating Functions and Expressions Within Strings</A> <DT>operator <DD><DL> <DT><A HREF="../ch16_02.htm">16.1. Gathering Output from a Program</A> <DT><A HREF="../ch19_07.htm">19.6. Executing Commands Without Shell Escapes</A> </DL> <DT>qx(⌨️ 快捷键说明
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