idx_f.htm

编程珍珠,里面很多好用的代码,大家可以参考学习呵呵,

<a name="filenames">
<dt>filenames: <a href="../ch02_06.htm#INDEX-627">2.6.8. Other Literal Tokens</a></dt><dd><dl>
  <a name="&amp;-ampersand-in">
  <dt>&amp; (ampersand) in: <a href="../ch29_02.htm#INDEX-5065">29.2.104. open</a></dt>
  <a name="changing-name-of">
  <dt>changing name of: <a href="../ch29_02.htm#INDEX-5159">29.2.128. rename</a></dt>
  <a name="expansions-of">
  <dt>expansions of: <a href="../ch29_02.htm#INDEX-4912">29.2.69. glob</a></dt>
  <a name="external-data-in-security-risks-of">
  <dt>external data in, security risks of: <a href="../ch23_01.htm#INDEX-3998">23.1.2. Cleaning Up Your Environment</a></dt>
  <a name="getting-from-symbolic-links">
  <dt>getting from symbolic links: <a href="../ch29_02.htm#INDEX-5146">29.2.123. readlink</a></dt>
  <a name="globbing">
  <dt>globbing: <a href="../ch25_04.htm#INDEX-4346">25.4. System Interaction</a></dt>
  <a name="%INC-hash-of">
  <dt>%INC hash of: <a href="../ch28_02.htm#INDEX-4493">28.2. Special Variables in Alphabetical Order</a></dt>
  <a name="linking-symbolically">
  <dt>linking symbolically: <a href="../ch29_02.htm#INDEX-5312">29.2.169. symlink</a></dt>
  <a name="linking-with-hard-links">
  <dt>linking with hard links: <a href="../ch29_02.htm#INDEX-4972">29.2.85. link</a></dt>
  <a name="mode-separating-from">
  <dt>mode, separating from: <a href="../ch29_02.htm#INDEX-5045">29.2.104. open</a></dt>
  <a name="viewing-different-program-or-eval-statement">
  <dt>viewing different program or eval statement: <a href="../ch20_02.htm#INDEX-3552">20.2.5. Locating Code</a></dt>
</dl></dd>
<a name="fileno">
<dt>fileno (see <a href="idx_f.htm#file-descriptors">file descriptors</a>)
</dt>
<a name="fileno-function">
<dt>fileno function: <a href="../ch29_02.htm#INDEX-4765">29.2.38. fileno</a></dt>
<a name="File::Path-module">
<dt>File::Path module: <a href="../ch32_01.htm#INDEX-5479">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
<a name="files">
<dd><dl>
  <a name="access-and-modification-times">
  <dt>access and modification times: <a href="../ch29_02.htm#INDEX-5286">29.2.165. stat</a></dt><dd><dl>
    <dt><a href="../ch29_02.htm#INDEX-5391">29.2.193. utime</a></dt>
  </dl></dd>
  <a name="accessing-under-reduced-privileges">
  <dt>accessing under reduced privileges: <a href="../ch23_01.htm#INDEX-4004">23.1.3. Accessing Commands and Files Under&#10;Reduced Privileges</a></dt>
  <a name="ages-for">
  <dt>ages for: <a href="../ch03_10.htm#INDEX-923">3.10. Named Unary and File Test Operators</a></dt>
  <a name="changing-name-of">
  <dt>changing name of: <a href="../ch29_02.htm#INDEX-5158">29.2.128. rename</a></dt>
  <a name="closing">
  <dt>closing: <a href="../ch29_02.htm#INDEX-4694">29.2.16. close</a></dt>
  <a name="core">
  <dt>core: <a href="../ch19_01.htm#INDEX-3448">19.1.3. Switches</a></dt>
  <a name="deleting">
  <dt>deleting: <a href="../ch29_02.htm#INDEX-5365">29.2.188. unlink</a></dt>
  <a name="do-FILE-operator">
  <dt>do FILE operator: <a href="../ch29_02.htm#INDEX-4731">29.2.27. do (file)</a></dt>
  <a name="end-of-file">
  <dt>end-of-file: <a href="../ch29_02.htm#INDEX-4742">29.2.31. eof</a></dt>
  <a name="end-of-file-EOF">
  <a name="executable">
  <a name="functions-dealing-with">
  <dt>functions dealing with: <a href="../ch29_01.htm#INDEX-">29.1. Perl Functions by Category</a></dt>
  <a name="getting-statistics-of">
  <dt>getting statistics of: <a href="../ch29_02.htm#INDEX-5283">29.2.165. stat</a></dt>
  <a name="in-interprocess-communication">
  <dt>in interprocess communication: <a href="../ch16_02.htm#INDEX-2951">16.2. Files</a></dt><dd><dl>
    <a name="locking-mechanisms">
    <dt>locking mechanisms: <a href="../ch16_02.htm#INDEX-2953">16.2.1. File Locking</a></dt>
    <a name="passing-filehandles">
    <dt>passing filehandles: <a href="../ch16_02.htm#INDEX-2970">16.2.2. Passing Filehandles </a></dt>
  </dl></dd>
  <a name="lexically-scoped-variables-and">
  <dt>lexically scoped variables and: <a href="../ch02_05.htm#INDEX-">2.5.1. Name Lookups</a></dt>
  <a name="modules-autoloading">
  <dt>modules, autoloading: <a href="../ch10_02.htm#INDEX-2262">10.2. Autoloading</a></dt>
  <a name="modules-for-cross-platform-access-methods">
  <dt>modules for cross-platform access methods: <a href="../ch32_01.htm#INDEX-5460">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
  <a name="open-function">
  <dt>open function: <a href="../ch29_02.htm#INDEX-5040">29.2.104. open</a></dt>
  <a name="opening-via-low-level-system-call">
  <dt>opening via low-level system call: <a href="../ch29_02.htm#INDEX-5319">29.2.171. sysopen</a></dt>
  <a name="ownership-and-group-changing">
  <dt>ownership and group, changing: <a href="../ch29_02.htm#INDEX-4675">29.2.13. chown</a></dt>
  <a name="path-components-separators-for">
  <dt>path components, separators for: <a href="../ch25_03.htm#INDEX-4334">25.3. Files and Filesystems</a></dt>
  <a name="Perl-module-housing-in-single">
  <dt>Perl module, housing in single: <a href="../ch10_01.htm#INDEX-2184">10. Packages</a></dt>
  <a name="Perl-modules-for">
  <dt>Perl modules for: <a href="../ch22_01.htm#INDEX-3843">22.1. The CPAN modules Directory</a></dt><dd><dl>
    <dt><a href="../ch22_01.htm#INDEX-3890">22.1. The CPAN modules Directory</a></dt>
  </dl></dd>
  <a name="permissions">
  <dt>permissions: <a href="../ch29_02.htm#INDEX-4662">29.2.10. chmod</a></dt><dd><dl>
    <dt><a href="../ch29_02.htm#INDEX-5321">29.2.171. sysopen</a></dt>
    <dt><a href="../ch29_02.htm#INDEX-5361">29.2.186. umask</a></dt>
  </dl></dd>
  <a name="portably-opening">
  <dt>portably opening: <a href="../ch25_04.htm#INDEX-4341">25.4. System Interaction</a></dt>
  <a name="read-in-binary-mode">
  <dt>read in binary mode: <a href="../ch29_02.htm#INDEX-4649">29.2.6. binmode</a></dt>
  <a name="reading-via-low-level-system-call">
  <dt>reading via low-level system call: <a href="../ch29_02.htm#INDEX-5323">29.2.172. sysread</a></dt>
  <a name="renaming-program-for">
  <dt>renaming, program for: <a href="../ch29_02.htm#INDEX-4747">29.2.32. eval</a></dt>
  <a name="returning-current-position-for">
  <dt>returning current position for: <a href="../ch29_02.htm#INDEX-5334">29.2.176. tell</a></dt>
  <a name="scopes">
  <dt>scopes: <a href="../ch04_08.htm#INDEX-1225">4.8.2. Lexically Scoped Variables: my</a></dt>
  <a name="symbolically-linking">
  <dt>symbolically linking: <a href="../ch29_02.htm#INDEX-5311">29.2.169. symlink</a></dt>
  <a name="test-operators">
  <dt>test operators: <a href="../ch01_05.htm#INDEX-267">1.5.7. Some File Test Operators</a></dt>
  <a name="text-binary-distinction">
  <dt>text/binary distinction: <a href="../ch29_02.htm#INDEX-5074">29.2.104. open</a></dt>
  <a name="truncating">
  <dt>truncating: <a href="../ch29_02.htm#INDEX-5352">29.2.183. truncate</a></dt>
  <a name="Win32API::File-module">
  <dt>Win32API::File module: <a href="../ch32_01.htm#INDEX-5797">32.1.20. Microsoft-Related Modules</a></dt>
  <a name="writing-via-low-level-system-call">
  <dt>writing via low-level system call: <a href="../ch29_02.htm#INDEX-5331">29.2.175. syswrite</a></dt>
</dl></dd>
<a name="File::Spec-module">
<dt>File::Spec module: <a href="../ch25_03.htm#INDEX-4336">25.3. Files and Filesystems</a></dt><dd><dl>
  <dt><a href="../ch32_01.htm#INDEX-5481">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
</dl></dd>
<a name="File::Spec::Functions-module">
<dt>File::Spec::Functions module: <a href="../ch32_01.htm#INDEX-5483">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
<a name="File::Spec::Mac-module">
<dt>File::Spec::Mac module: <a href="../ch32_01.htm#INDEX-5484">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
<a name="File::Spec::OS2-module">
<dt>File::Spec::OS2 module: <a href="../ch32_01.htm#INDEX-5487">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
<a name="File::Spec::Unix-module">
<dt>File::Spec::Unix module: <a href="../ch32_01.htm#INDEX-5488">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
<a name="File::Spec::VMS-module">
<dt>File::Spec::VMS module: <a href="../ch32_01.htm#INDEX-5490">32.1.4. Filenames, Filesystems, and File Locking</a></dt><dd><dl>
  <dt><a href="../ch32_01.htm#INDEX-5492">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
</dl></dd>
<a name="File::Spec::Win32-module">
<dt>File::Spec::Win32 module: <a href="../ch32_01.htm#INDEX-5493">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
<a name="File::stat-module">
<dt>File::stat module: <a href="../ch32_01.htm#INDEX-5495">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
<a name="filesystems">
<dd><dl>
<a name="filesystems-portability">
<dt>portability: <a href="../ch25_03.htm#INDEX-4335">25.3. Files and Filesystems</a></dt>
</dl></dd>
<a name="File::Temp-module-dealing-with-race-conditions">
<dt>File::Temp module, dealing with race conditions: <a href="../ch23_02.htm#INDEX-4048">23.2.3. Temporary Files</a></dt>
<a name="filtering-output-with-forking-open">
<dt>filtering output with forking open: <a href="../ch16_03.htm#INDEX-3019">16.3.2. Talking to Yourself</a></dt>
<a name="filters">
<dd><dl>

  <dt><a href="../ch24_05.htm#INDEX-4303">24.5.3. Source Filters</a></dt>

<dt><a href="../ch01_08.htm#INDEX-394">1.8. List Processing</a></dt></dl></dd>


<a name="find-command">
<dt>find command: <a href="../ch01_07.htm#INDEX-345">1.7. Regular Expressions</a></dt><dd><dl>
<a name="find-function">
  <dt>traversing file trees like: <a href="../ch32_01.htm#INDEX-5476">32.1.4. Filenames, Filesystems, and File Locking</a></dt>
</dl></dd>

<a name="FindBin-module">
<dt>FindBin module: <a href="../ch32_01.htm#INDEX-5732">32.1.17. Module Installation Support</a></dt>
<a name="findstr-function">
<dt>findstr function: <a href="../ch01_07.htm#INDEX-331">1.7. Regular Expressions</a></dt><dd><dl>
  <dt><a href="../ch01_07.htm#INDEX-347">1.7. Regular Expressions</a></dt>
</dl></dd>
<a name="fixed-8-bit-chracters">
<dt>fixed 8-bit chracters: <a href="../ch15_01.htm#INDEX-2812">15.1. Building Character</a></dt>
<a name="flags">
<dt>flags: <a href="../ch05_02.htm#INDEX-1340">5.2.1. Pattern Modifiers</a></dt><dd><dl>
  <dt><a href="../ch19_01.htm#INDEX-3365">19.1.3. Switches</a></dt>
  <dt>(see also <a href="idx_m.htm#modifiers">modifiers</a>, <a href="idx_s.htm#switches">switches</a>)</dt>
</dl></dd>
<a name="floating-point-numbers">
<dt>floating-point numbers: <a href="../ch02_06.htm#INDEX-530">2.6. Scalar Values</a></dt><dd><dl>
  <dt><a href="../ch29_02.htm#INDEX-5102">29.2.108. pack</a></dt>
  <a name="computer-storage-order-of">
  <dt>computer storage, order of: <a href="../ch25_02.htm#INDEX-4325">25.2. Endianness and Number Width</a></dt>
  <a name="Math::BigFloat-module">
  <dt>Math::BigFloat module: <a href="../ch32_01.htm#INDEX-5431">32.1.1. Data Types</a></dt>
  <a name="rand-function-returning">
  <dt>rand function, returning: <a href="../ch29_02.htm#INDEX-5137">29.2.119. rand</a></dt>
</dl></dd>
<a name="flock-function">
<dt>flock function: <a href="../ch14_01.htm#INDEX-">14.1.1. Scalar-Tying Methods</a></dt><dd><dl>
  <dt><a href="../ch16_02.htm#INDEX-2956">16.2.1. File Locking</a></dt>
  <dt><a href="../ch29_02.htm#INDEX-4777">29.2.39. flock</a></dt>
  <a name="alarms-and">
  <dt>alarms and: <a href="../ch16_01.htm#INDEX-2944">16.1.3. Timing Out Slow Operations</a></dt>
</dl></dd>
<a name="flow-of-program-control-functions-for">
<dt>flow of program control, functions for: <a href="../ch29_01.htm#INDEX-">29.1. Perl Functions by Category</a></dt>
<a name="flushing-buffers">
<dt>flushing buffers: <a href="../ch28_02.htm#INDEX-4541">28.2. Special Variables in Alphabetical Order</a></dt><dd><dl>
</dl></dd>
<a name="fmt-Unix-utility">
<dt>fmt (Unix utility): <a href="../ch07_01.htm#INDEX-1931">7.1. Format Variables</a></dt>
<a name="FMTEYEWTK-Far-More-Than-Everything-You-Ever-Wanted-to-Know">
<a name="fonts">
<dt>fonts,
  <a name="Perl-modules-for">Perl modules for: <a href="../ch22_01.htm#INDEX-3852">22.1. The CPAN modules Directory</a></dt>

<a name="footers">
<dt>footers: <a href="../ch07_02.htm#INDEX-1934">7.2. Footers</a></dt>
<a name="for">
<dt>for,
  <a name="-as-an-alias-of-foreach">
as an alias of foreach: <a href="../ch04_04.htm#INDEX-1104">4.4.3. foreach Loops</a></dt>

<a name="for-loops">
<dt>for loops: <a href="../ch01_06.htm#INDEX-316">1.6.2.2. The for statement</a></dt><dd><dl>
  <a name="searching-and-replacing-elements-in-arrays">
  <dt>searching and replacing elements in arrays: <a href="../ch05_02.htm#INDEX-1426">5.2.3.1. Modifying strings en passant</a></dt>
</dl></dd>
<a name="for-modifier">
<dt>for modifier: <a href="../ch04_01.htm#INDEX-1046">4.1. Simple Statements</a></dt><dd><dl>
  <dt><a href="../ch04_04.htm#INDEX-1082">4.4.2. for Loops</a></dt>
</dl></dd>
<a name="foreach-loops">
<dt>foreach loops: <a href="../ch01_06.htm#INDEX-319">1.6.2.3. The foreach statement</a></dt><dd><dl>
  <dt><a href="../ch04_04.htm#INDEX-1100">4.4.3. foreach Loops</a></dt>
  <dt><a href="../ch24_02.htm#INDEX-4201">24.2.1. Time Efficiency</a></dt>
  <a name="aliasing-capability-using">
  <dt>aliasing capability, using: <a href="../ch04_05.htm#INDEX-1153">4.5.1. Case Structures</a></dt>
  <a name="loop-variable-Perl-vs.-shell-programming">
  <dt>loop variable, Perl vs. shell programming: <a href="../ch24_01.htm#INDEX-4152">24.1.4. Shell Traps</a></dt>
  <a name="Perl-versions-changes-in">
  <dt>Perl versions, changes in: <a href="../ch24_01.htm#INDEX-4185">24.1.5. Previous Perl Traps</a></dt>
  <a name="searching-and-replacing-elements-in-arrays">
  <dt>searching and replacing elements in arrays: <a href="../ch05_02.htm#INDEX-1427">5.2.3.1. Modifying strings en passant</a></dt>
</dl></dd>
<a name="foreach-modifier">
<dt>foreach modifier: <a href="../ch04_01.htm#INDEX-1047">4.1. Simple Statements</a></dt>
<a name="fork-function">