<html> <head> <title>Gri: `sprintf' command</title> </head> <body bgcolor="#FFFFFF" text="#000000" link="#0000EE" vlink="#551A8B" alink="FF0000"> <!-- newfile Sprintf.html "Gri: `sprintf' command" "Gri Commands" --> <!-- @node Sprintf, State, Source, List Of Gri Commands --> <a name="Sprintf" ></a> <img src="./resources/top_banner.gif" usemap="#navigate_top" border="0"> <table summary="top banner" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="150" valign="top"> <font size=-1> <br> Chapters: </br> <a href="Introduction.html">1: Introduction</a><br> <a href="SimpleExample.html">2: Simple example</a><br> <a href="InvokingGri.html">3: Invocation</a><br> <a href="GettingMoreControl.html">4: Finer Control</a><br> <a href="X-Y.html">5: X-Y Plots</a><br> <a href="ContourPlots.html">6: Contour Plots</a><br> <a href="Images.html">7: Image Plots</a><br> <a href="Examples.html">8: Examples</a><br> <a href="Commands.html">9: Gri Commands</a><br> <a href="Programming.html">10: Programming</a><br> <a href="Environment.html">11: Environment</a><br> <a href="Emacs.html">12: Emacs Mode</a><br> <a href="History.html">13: History</a><br> <a href="Installation.html">14: Installation</a><br> <a href="Bugs.html">15: Gri Bugs</a><br> <a href="TestSuite.html">16: Test Suite</a><br> <a href="Acknowledgments.html">17: Acknowledgments</a><br> <a href="License.html">18: License</a><br> <br> Indices:</br> <a href="ConceptIndex.html"><i>Concepts</i></a><br> <a href="CommandIndex.html"><i>Commands</i></a><br> <a href="BuiltinIndex.html"><i>Variables</i></a><br> </font> <td width="500" valign="top"> <map name="navigate_top"> <area alt="index.html#Top" shape="rect" coords="5,2,218,24" href="index.html#Top"> <area alt="ListOfGriCommands.html#ListOfGriCommands" shape="rect" coords="516,2,532,24" href="ListOfGriCommands.html#ListOfGriCommands"> <area alt="Gri: `source' command" shape="rect" coords="557,2,573,24" href="Source.html"> <area alt="Gri: `state' command" shape="rect" coords="581,2,599,24" href="State.html"> </map> <map name="navigate_bottom"> <area alt="index.html#Top" shape="rect" coords="5,2,218,24" href="index.html#Top"> <area alt="Gri: `state' command" shape="rect" coords="581,2,599,24" href="State.html"></map> <h3>9.3.46: `<font color="#82140F"><code>sprintf</code></font>'</h3> <!-- latex: \index{sprintf} --> <TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%"> <TR> <TD> <PRE> <font color="#82140F"> `sprintf \synonym "format" .variable. [.variable. [...]]' </font></PRE> </TD> </TR> </TABLE> <p> Write numbers into a synonym (text string). This is useful for labelling plots. <p> `<font color="#82140F"><code>sprintf \out "a = %lf b = %.2f" .a. .b.</code></font>' - Create a synonym called `<font color="#82140F"><code>\out</code></font>', and print the values of the variables `<font color="#82140F"><code>.a.</code></font>' and `<font color="#82140F"><code>.b.</code></font>' into it. If `<font color="#82140F"><code>.a.</code></font>' = 1 and `<font color="#82140F"><code>.b.</code></font>' = 0.112, then `<font color="#82140F"><code>\out</code></font>' will be `<font color="#82140F"><code>"a = 1 b = 0.11"</code></font>' <p> Formatting codes are as in the C programming language, eg: <p> <TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%"> <TR> <TD> <PRE> <font color="#82140F"> %.2f -- Use floating point with 2 decimal places. %9.2f -- As above, but number takes 9 characters. %e -- Use exponential notation. </font></PRE> </TD> </TR> </TABLE> <p> <b>CAUTION</b>: Variables are stored in the <b>floating point</b> in Gri, so you must use a format like `<font color="#82140F"><code>"%f"</code></font>', <b>not</b> an integer code like `<font color="#82140F"><code>"%d"</code></font>'. If you want an integer, use `<font color="#82140F"><code>"%.0f"</code></font>'. <p> </table> <img src="./resources/bottom_banner.gif" usemap="#navigate_bottom" border="0"> </body> </html>