<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ --> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Simple Output (GNU Octave (version 5.1.0))</title> <meta name="description" content="Simple Output (GNU Octave (version 5.1.0))"> <meta name="keywords" content="Simple Output (GNU Octave (version 5.1.0))"> <meta name="resource-type" content="document"> <meta name="distribution" content="global"> <meta name="Generator" content="makeinfo"> <link href="index.html#Top" rel="start" title="Top"> <link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index"> <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> <link href="C_002dStyle-I_002fO-Functions.html#C_002dStyle-I_002fO-Functions" rel="up" title="C-Style I/O Functions"> <link href="Line_002dOriented-Input.html#Line_002dOriented-Input" rel="next" title="Line-Oriented Input"> <link href="Opening-and-Closing-Files.html#Opening-and-Closing-Files" rel="prev" title="Opening and Closing Files"> <style type="text/css"> <!-- a.summary-letter {text-decoration: none} blockquote.indentedblock {margin-right: 0em} blockquote.smallindentedblock {margin-right: 0em; font-size: smaller} blockquote.smallquotation {font-size: smaller} div.display {margin-left: 3.2em} div.example {margin-left: 3.2em} div.lisp {margin-left: 3.2em} div.smalldisplay {margin-left: 3.2em} div.smallexample {margin-left: 3.2em} div.smalllisp {margin-left: 3.2em} kbd {font-style: oblique} pre.display {font-family: inherit} pre.format {font-family: inherit} pre.menu-comment {font-family: serif} pre.menu-preformatted {font-family: serif} pre.smalldisplay {font-family: inherit; font-size: smaller} pre.smallexample {font-size: smaller} pre.smallformat {font-family: inherit; font-size: smaller} pre.smalllisp {font-size: smaller} span.nolinebreak {white-space: nowrap} span.roman {font-family: initial; font-weight: normal} span.sansserif {font-family: sans-serif; font-weight: normal} ul.no-bullet {list-style: none} --> </style> <link rel="stylesheet" type="text/css" href="octave.css"> </head> <body lang="en"> <a name="Simple-Output"></a> <div class="header"> <p> Next: <a href="Line_002dOriented-Input.html#Line_002dOriented-Input" accesskey="n" rel="next">Line-Oriented Input</a>, Previous: <a href="Opening-and-Closing-Files.html#Opening-and-Closing-Files" accesskey="p" rel="prev">Opening and Closing Files</a>, Up: <a href="C_002dStyle-I_002fO-Functions.html#C_002dStyle-I_002fO-Functions" accesskey="u" rel="up">C-Style I/O Functions</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p> </div> <hr> <a name="Simple-Output-1"></a> <h4 class="subsection">14.2.2 Simple Output</h4> <p>Once a file has been opened for writing a string can be written to the file using the <code>fputs</code> function. The following example shows how to write the string ‘<samp>Free Software is needed for Free Science</samp>’ to the file ‘<samp>free.txt</samp>’. </p> <div class="example"> <pre class="example">filename = "free.txt"; fid = fopen (filename, "w"); fputs (fid, "Free Software is needed for Free Science"); fclose (fid); </pre></div> <a name="XREFfputs"></a><dl> <dt><a name="index-fputs"></a><em></em> <strong>fputs</strong> <em>(<var>fid</var>, <var>string</var>)</em></dt> <dt><a name="index-fputs-1"></a><em><var>status</var> =</em> <strong>fputs</strong> <em>(<var>fid</var>, <var>string</var>)</em></dt> <dd><p>Write the string <var>string</var> to the file with file descriptor <var>fid</var>. </p> <p>The string is written to the file with no additional formatting. Use <code>fdisp</code> instead to automatically append a newline character appropriate for the local machine. </p> <p>Return a non-negative number on success or EOF on error. </p> <p><strong>See also:</strong> <a href="Simple-File-I_002fO.html#XREFfdisp">fdisp</a>, <a href="Formatted-Output.html#XREFfprintf">fprintf</a>, <a href="Binary-I_002fO.html#XREFfwrite">fwrite</a>, <a href="Opening-and-Closing-Files.html#XREFfopen">fopen</a>. </p></dd></dl> <p>A function much similar to <code>fputs</code> is available for writing data to the screen. The <code>puts</code> function works just like <code>fputs</code> except it doesn’t take a file pointer as its input. </p> <a name="XREFputs"></a><dl> <dt><a name="index-puts"></a><em></em> <strong>puts</strong> <em>(<var>string</var>)</em></dt> <dt><a name="index-puts-1"></a><em><var>status</var> =</em> <strong>puts</strong> <em>(<var>string</var>)</em></dt> <dd><p>Write a string to the standard output with no formatting. </p> <p>The string is written verbatim to the standard output. Use <code>disp</code> to automatically append a newline character appropriate for the local machine. </p> <p>Return a non-negative number on success and EOF on error. </p> <p><strong>See also:</strong> <a href="#XREFfputs">fputs</a>, <a href="Terminal-Output.html#XREFdisp">disp</a>. </p></dd></dl> </body> </html>