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href="Tk.html"> <link title="Unix" rel="Chapter" href="Unix.html"> <link title="UnixLabels" rel="Chapter" href="UnixLabels.html"> <link title="Weak" rel="Chapter" href="Weak.html"><title>Filename</title> </head> <body> <div class="navbar"><a href="Event.html">Previous</a> <a href="index.html">Up</a> <a href="Format.html">Next</a> </div> <center><h1>Module <a href="type_Filename.html">Filename</a></h1></center> <br> <pre><span class="keyword">module</span> Filename: <code class="code"><span class="keyword">sig</span></code> <a href="Filename.html">..</a> <code class="code"><span class="keyword">end</span></code></pre>Operations on file names.<br> <hr width="100%"> <pre><span class="keyword">val</span> <a name="VALcurrent_dir_name"></a>current_dir_name : <code class="type">string</code></pre><div class="info"> The conventional name for the current directory (e.g. <code class="code">.</code> in Unix).<br> </div> <pre><span class="keyword">val</span> <a name="VALparent_dir_name"></a>parent_dir_name : <code class="type">string</code></pre><div class="info"> The conventional name for the parent of the current directory (e.g. <code class="code">..</code> in Unix).<br> </div> <pre><span class="keyword">val</span> <a name="VALconcat"></a>concat : <code class="type">string -> string -> string</code></pre><div class="info"> <code class="code">concat dir file</code> returns a file name that designates file <code class="code">file</code> in directory <code class="code">dir</code>.<br> </div> <pre><span class="keyword">val</span> <a name="VALis_relative"></a>is_relative : <code class="type">string -> bool</code></pre><div class="info"> Return <code class="code"><span class="keyword">true</span></code> if the file name is relative to the current directory, <code class="code"><span class="keyword">false</span></code> if it is absolute (i.e. in Unix, starts with <code class="code">/</code>).<br> </div> <pre><span class="keyword">val</span> <a name="VALis_implicit"></a>is_implicit : <code class="type">string -> bool</code></pre><div class="info"> Return <code class="code"><span class="keyword">true</span></code> if the file name is relative and does not start with an explicit reference to the current directory (<code class="code">./</code> or <code class="code">../</code> in Unix), <code class="code"><span class="keyword">false</span></code> if it starts with an explicit reference to the root directory or the current directory.<br> </div> <pre><span class="keyword">val</span> <a name="VALcheck_suffix"></a>check_suffix : <code class="type">string -> string -> bool</code></pre><div class="info"> <code class="code">check_suffix name suff</code> returns <code class="code"><span class="keyword">true</span></code> if the filename <code class="code">name</code> ends with the suffix <code class="code">suff</code>.<br> </div> <pre><span class="keyword">val</span> <a name="VALchop_suffix"></a>chop_suffix : <code class="type">string -> string -> string</code></pre><div class="info"> <code class="code">chop_suffix name suff</code> removes the suffix <code class="code">suff</code> from the filename <code class="code">name</code>. The behavior is undefined if <code class="code">name</code> does not end with the suffix <code class="code">suff</code>.<br> </div> <pre><span class="keyword">val</span> <a name="VALchop_extension"></a>chop_extension : <code class="type">string -> string</code></pre><div class="info"> Return the given file name without its extension. The extension is the shortest suffix starting with a period and not including a directory separator, <code class="code">.xyz</code> for instance. <p> Raise <code class="code"><span class="constructor">Invalid_argument</span></code> if the given name does not contain an extension.<br> </div> <pre><span class="keyword">val</span> <a name="VALbasename"></a>basename : <code class="type">string -> string</code></pre><div class="info"> Split a file name into directory name / base file name. <code class="code">concat (dirname name) (basename name)</code> returns a file name which is equivalent to <code class="code">name</code>. Moreover, after setting the current directory to <code class="code">dirname name</code> (with <a href="Sys.html#VALchdir"><code class="code"><span class="constructor">Sys</span>.chdir</code></a>), references to <code class="code">basename name</code> (which is a relative file name) designate the same file as <code class="code">name</code> before the call to <a href="Sys.html#VALchdir"><code class="code"><span class="constructor">Sys</span>.chdir</code></a>. <p> The result is not specified if the argument is not a valid file name (for example, under Unix if there is a NUL character in the string).<br> </div> <pre><span class="keyword">val</span> <a name="VALdirname"></a>dirname : <code class="type">string -> string</code></pre><div class="info"> See <a href="Filename.html#VALbasename"><code class="code"><span class="constructor">Filename</span>.basename</code></a>.<br> </div> <pre><span class="keyword">val</span> <a name="VALtemp_file"></a>temp_file : <code class="type">string -> string -> string</code></pre><div class="info"> <code class="code">temp_file prefix suffix</code> returns the name of a fresh temporary file in the temporary directory. The base name of the temporary file is formed by concatenating <code class="code">prefix</code>, then a suitably chosen integer number, then <code class="code">suffix</code>. The temporary file is created empty, with permissions <code class="code">0o600</code> (readable and writable only by the file owner). The file is guaranteed to be different from any other file that existed when <code class="code">temp_file</code> was called.<br> </div> <pre><span class="keyword">val</span> <a name="VALopen_temp_file"></a>open_temp_file : <code class="type">?mode:<a href="Pervasives.html#TYPEopen_flag">open_flag</a> list -><br> string -> string -> string * <a href="Pervasives.html#TYPEout_channel">out_channel</a></code></pre><div class="info"> Same as <a href="Filename.html#VALtemp_file"><code class="code"><span class="constructor">Filename</span>.temp_file</code></a>, but returns both the name of a fresh temporary file, and an output channel opened (atomically) on this file. This function is more secure than <code class="code">temp_file</code>: there is no risk that the temporary file will be modified (e.g. replaced by a symbolic link) before the program opens it. The optional argument <code class="code">mode</code> is a list of additional flags to control the opening of the file. It can contain one or several of <code class="code"><span class="constructor">Open_append</span></code>, <code class="code"><span class="constructor">Open_binary</span></code>, and <code class="code"><span class="constructor">Open_text</span></code>. The default is <code class="code">[<span class="constructor">Open_text</span>]</code> (open in text mode).<br> </div> <pre><span class="keyword">val</span> <a name="VALtemp_dir_name"></a>temp_dir_name : <code class="type">string</code></pre><div class="info"> The name of the temporary directory: Under Unix, the value of the <code class="code"><span class="constructor">TMPDIR</span></code> environment variable, or "/tmp" if the variable is not set. Under Windows, the value of the <code class="code"><span class="constructor">TEMP</span></code> environment variable, or "." if the variable is not set.<br> </div> <pre><span class="keyword">val</span> <a name="VALquote"></a>quote : <code class="type">string -> string</code></pre><div class="info"> Return a quoted version of a file name, suitable for use as one argument in a command line, escaping all meta-characters. Warning: under Windows, the output is only suitable for use with programs that follow the standard Windows quoting conventions.<br> </div> </body></html>