<div dir="ltr">Oh, you need to put single quotes around that command, and all other commkands that you could run from the command prompt. The only script lines that do not need to be surrounded by single quotes are commands unique to the Grads scripting language, such as if statements, while loops, setting script variables, and calling other functions.<br><br>Jeff<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Jan 24, 2015 at 1:52 PM, Renée C. Elder <span dir="ltr"><<a href="mailto:renee.c.elder@gmail.com" target="_blank">renee.c.elder@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Thanks for your help Jeff. <span style="font-size:12.8000001907349px">Unfortunately, I get the same error by using t=t-0. I really meant to just put t and not t=t but that wouldn't matter. It seems that it doesn't like the max function. It says </span><font style="font-size:12.8000001907349px" color="#ff0000">Function not found: max</font><font style="font-size:12.8000001907349px" color="#000000">. </font></div><div><span style="font-size:12.8000001907349px"><font color="#000000"><br></font></span></div><div><span style="font-size:12.8000001907349px"><font color="#000000">Is there an alternate way to create a file with only the max temperatures? </font></span></div><div><span style="font-size:12.8000001907349px"><font color="#000000"><br></font></span></div><div><span style="font-size:12.8000001907349px"><font color="#000000">Thanks, Renée</font></span></div><span style="font-size:12.8000001907349px"><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px"><br></span></div>Message: 2</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">Date: Fri, 23 Jan 2015 17:40:11 -0600</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">From: Jeff Duda <</span><a href="mailto:jeffduda319@gmail.com" style="font-size:12.8000001907349px" target="_blank">jeffduda319@gmail.com</a><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">Subject: Re: [gradsusr] Problem calculating max temp in loop</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">To: GrADS Users Forum <</span><a href="mailto:gradsusr@gradsusr.org" style="font-size:12.8000001907349px" target="_blank">gradsusr@gradsusr.org</a><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">Message-ID:</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px"> <CAAig09Be-</span><span style="font-size:12.8000001907349px">eiSWYPYaMdqgpMh5HqKH6oXZ2k=</span><a href="mailto:qcBL0Pn7o0GSfQ@mail.gmail.com" style="font-size:12.8000001907349px" target="_blank">qcBL0Pn7o0GSfQ@mail.gmail.com</a><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">Content-Type: text/plain; charset="utf-8"</span><span class=""><br style="font-size:12.8000001907349px"><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">Replace t=t with t=t-0 in your max function.</span><br style="font-size:12.8000001907349px"><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">Jeff Duda</span><br style="font-size:12.8000001907349px"><br style="font-size:12.8000001907349px"></span><span style="font-size:12.8000001907349px">On Fri, Jan 23, 2015 at 4:55 PM, Ren?e C. Elder <</span><a href="mailto:renee.c.elder@gmail.com" style="font-size:12.8000001907349px" target="_blank">renee.c.elder@gmail.com</a><span style="font-size:12.8000001907349px">></span><div><div class="h5"><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">wrote:</span><br style="font-size:12.8000001907349px"><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Hello grads users,</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> I'm trying to create a file that has the daily maximum values from my</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> hourly wrf output. I'm using grads2.0.a8.</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Below is the script that I've written and the error messages I get after</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> running the script. I'm not certain if there is a particular maximum value</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> function necessary when using a script but hopefully someone can help.</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> In this script I did not put the line: define tmax=max(t2, t=t, t+23) in</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> quotes and there seems to be an issue with the 'max' function. In the</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> second script, I put that line in quotes resulting in a couple syntax</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> errors so I'm not certain if the quotes are necessary.</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'open Piarco_may1_hrly.ctl'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'set gxout fwrite'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'set fwrite tmaxtest.dat'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> t=1</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> while (t<=25)</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'set t ' t</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> say t</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> define tmax=max(t2, t=t, t+23)</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'd tmax'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> t = t+24</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> endwhile</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'disable fwrite'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> ERROR MESSAGE FOR ABOVE SCRIPT</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Function not found: max</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Error occurred on line 11</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> In file </span><a href="http://tmax.gs/" style="font-size:12.8000001907349px" target="_blank">tmax.gs</a><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'open Piarco_may1_hrly.ctl'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'set gxout fwrite'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'set fwrite tmaxtest.dat'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> t=1</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> while (t<=25)</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'set t ' t</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> say t</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'define tmax=max(t2, t=t, t+23)'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'd tmax'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> t = t+24</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> endwhile</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'disable fwrite'</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> ERROR MESSAGE FOR ABOVE SCRIPT</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Syntax Error: Invalid dimension expression</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Dimension value missing or invalid</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Error from MAX: 1st dimension expression invalid</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Operation Error: Error from max function</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Error ocurred at column 1</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> DEFINE error: Invalid expression.</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Syntax Error: Invalid Operand</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'tmax' not a variable or function name</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Error ocurred at column 1</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> DISPLAY error: Invalid expression</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Expression = tmax</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 25</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Syntax Error: Invalid dimension expression</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Dimension value missing or invalid</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Error from MAX: 1st dimension expression invalid</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Operation Error: Error from max function</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Error ocurred at column 1</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> DEFINE error: Invalid expression.</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Syntax Error: Invalid Operand</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> 'tmax' not a variable or function name</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Error ocurred at column 1</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> DISPLAY error: Invalid expression</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Expression = tmax</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"></div></div><span style="font-size:12.8000001907349px">> Ren?e C. Elder</span><span class=""><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> PhD Student</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Geography (Meteorology-Climatology)</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> Arizona State University</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> ______________________________</span><span style="font-size:12.8000001907349px">_________________</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> gradsusr mailing list</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> </span><a href="mailto:gradsusr@gradsusr.org" style="font-size:12.8000001907349px" target="_blank">gradsusr@gradsusr.org</a><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">> </span><a href="http://gradsusr.org/mailman/listinfo/gradsusr" style="font-size:12.8000001907349px" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">></span><br style="font-size:12.8000001907349px"><br style="font-size:12.8000001907349px"><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">--</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">Jeff Duda</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">Graduate research assistant</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">University of Oklahoma School of Meteorology</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">Center for Analysis and Prediction of Storms</span><br style="font-size:12.8000001907349px"></span><span style="font-size:12.8000001907349px">-------------- next part --------------</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">An HTML attachment was scrubbed...</span><br style="font-size:12.8000001907349px"><span style="font-size:12.8000001907349px">URL: </span><a href="http://gradsusr.org/pipermail/gradsusr/attachments/20150123/3067bda9/attachment-0001.html" style="font-size:12.8000001907349px" target="_blank">http://gradsusr.org/pipermail/gradsusr/attachments/20150123/3067bda9/attachment-0001.html</a><span class=""><div><br clear="all"><div><div><div dir="ltr">Renée C. Elder<br><div>PhD Student </div><div>Geography (Meteorology-Climatology)</div><div>Arizona State University </div></div></div></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature">Jeff Duda<br>Graduate research assistant<br>University of Oklahoma School of Meteorology<br>Center for Analysis and Prediction of Storms<br></div>
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