<html> <head> <title>Gri: Filename arguments when running gri</title> </head> <body bgcolor="#FFFFFF" text="#000000" link="#0000EE" vlink="#551A8B" alink="FF0000"> <!-- newfile Emacs5.html "Gri: Filename arguments when running gri" "Emacs Mode: Filename arguments when running gri" --> <!-- @node Filename arguments when running gri, History, Dealing with many Gri versions, Emacs Mode --> <a name="Filenameargumentswhenrunninggri" ></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="Emacs.html#EmacsMode" shape="rect" coords="516,2,532,24" href="Emacs.html#EmacsMode"> <area alt="Gri: Dealing with many Gri versions" shape="rect" coords="557,2,573,24" href="Emacs4.html"> <area alt="Gri: History Gri" shape="rect" coords="581,2,599,24" href="History.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: History Gri" shape="rect" coords="581,2,599,24" href="History.html"></map> <h2>12.7: Filename arguments when running gri</h2> Usually, gri is run specifying only a gri command file to process, which lends itself well to the gri-mode command `<font color="#82140F"><code>gri-run</code></font>'. But Gri can be also invoked from the command line using optional arguments, usually filenames but not necessarily, e.g. <p> <TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%"> <TR> <TD> <PRE> <font color="#82140F"> $ gri somefile.gri datafile.dat datafile2.dat ... </font></PRE> </TD> </TR> </TABLE> <p> or <p> <TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%"> <TR> <TD> <PRE> <font color="#82140F"> $ gri somefile.gri *.dat </font></PRE> </TD> </TR> </TABLE> <p> The arguments are accessed with RPN operators `<font color="#82140F"><samp>argc</samp></font>' and `<font color="82140F"><samp>argv</samp></font>' (see <a href="UnaryOperators.html#UnaryOperators">Unary Operators</a>). <p> gri-mode provides a method to set the arguments (usually filenames) to use when `<font color="#82140F"><code>gri-run</code></font>' is called in a specific gri script. Use the gri-mode command `<font color="#82140F"><code>gri-set-command-postarguments</code></font>' to setup a string that gri-mode will use, and the gri-mode command `<font color="#82140F"><code>gri-unset-command-postarguments</code></font>' to clear it. For ease-of-use, these commands are made available from the menubar under the `<font color="#82140F"><code>Perform -> Run Settings</code></font>' entries. The specified string will be stored in the locally-defined (aka buffer-local) variable `<font color="#82140F"><code>gri-command-postarguments</code></font>' and will be written within a gri comment at the bottom of the file such that Emacs remembers it across editing sessions. <p> </table> <img src="./resources/bottom_banner.gif" usemap="#navigate_bottom" border="0"> </body> </html>
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