<HTML> <HEAD> <TITLE>FileTest</TITLE> </HEAD> <BODY text="#000000" bgcolor="#FFFFFF"> <A HREF="Enum.html">prev</A> - <A HREF="classes.html#modules">up</A> - <A HREF="GC.html">next</A> - <A HREF="index.html">index</A> <HR> <dl> <dt> <H1>FileTest</H1> <dd> <P> <code>FileTest</code> is the collection of the file test functions. It can be used for inclusion. </P> <dt> <h2>Module Functions:</h2> <dd> <DL COMPACT> <DT> <A NAME="blockdev_p"> <CODE>blockdev?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> is the block special file. </p> <DT> <A NAME="chardev_p"> <CODE>chardev?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> is the character special file. </p> <DT> <A NAME="executable_p"> <CODE>executable?(<VAR>filename</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>filename</var> is executable by the effective user/group id. </p> <DT> <A NAME="executable_real_p"> <CODE>executable_real?(<VAR>filename</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>filename</var> is executable by the real user/group id. </p> <DT> <A NAME="exist_p"> <CODE>exist?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> exists. </p> <DT> <A NAME="grpowned_p"> <CODE>grpowned?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> has gid of effective group. </p> <DT> <A NAME="directory_p"> <CODE>directory?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> is a directory. </p> <DT> <A NAME="file_p"> <CODE>file?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> is a regular file. </p> <DT> <A NAME="pipe_p"> <CODE>pipe?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> is a named pipe (FIFO). </p> <DT> <A NAME="socket_p"> <CODE>socket?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> is a socket. </p> <DT> <A NAME="owned_p"> <CODE>owned?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> is owned by you. </p> <DT> <A NAME="readable_p"> <CODE>readable?(<VAR>filename</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>filename</var> is readable by you. </p> <DT> <A NAME="readable_real"> <CODE>readable_real?(<VAR>filename</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>filename</var> is readable by your real uid/gid. </p> <DT> <A NAME="setuid_p"> <CODE>setuid?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the setuid bit of the file specified by the <var>file</var> is set. </p> <DT> <A NAME="setgid"> <CODE>setgid?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the setgid bit of the file specified by the <var>file</var> is set. </p> <DT> <A NAME="size_p"> <CODE>size?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns the size of the file specified by the <var>file</var>. Returns <code>nil</code> if it does not exist or is empty. </p> <DT> <A NAME="sticky_p"> <CODE>sticky?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the sticky bit of the file specified by the <var>file</var> is set. </p> <DT><A NAME="symlink_p"> <CODE>symlink?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> is a symbolic link. </p> <DT> <A NAME="writable"> <CODE>writable?(<VAR>filename</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>filename</var> is writable by you. </p> <DT> <A NAME="writable_real_p"> <CODE>writable_real?(<VAR>filename</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>filename</var> is writable by your real uid/gid. </p> <DT> <A NAME="zero_p"> <CODE>zero?(<VAR>file</VAR>)</CODE></A> <DD> <p> Returns true if the file specified by the <var>file</var> exists, and the size of the file is 0. </p> </DL> </dl> <HR> <A HREF="Enum.html">prev</A> - <A HREF="classes.html#modules">up</A> - <A HREF="GC.html">next</A> - <A HREF="index.html">index</A> <P ALIGN=right><A HREF="mailto:matz@netlab.co.jp">matz@netlab.co.jp</A></P> </BODY> </HTML>
