<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Semyon, Jeff,</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Thanks for the replies.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">a) I know that the date command with the options I had asked, will give the</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">result at the grads command line with a ! before that command.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">b) I also know the second round about way my manipulating the output</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">from the q time output (but how to do few days ago?).</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">I was only curious if there was a way from a) above, of possibly storing </div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">that output in a variable as part of a grads script variable itself.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">I guess, it is difficult, and not doable!! </div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Thanks again</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Muthu</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"> </div><div><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div><div><div><div><div><font face="verdana,sans-serif">------------------------------------------------</font><br></div>Dr. Muthuvel Chelliah, eMail: <a href="mailto:Muthuvel.Chelliah@noaa.gov" target="_blank">Muthuvel.Chelliah@noaa.gov</a><br></div>Rm. 3008, Climate Prediction Center, Ph: (301) 683-3393<br></div>NCEP/NWS/NOAA/U.S.Dept.of Commerce,<br></div>5830, University Research Court, NCWCP,<br></div>College Park, MD 20740<br></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Oct 19, 2020 at 4:54 PM Jeff Duda <<a href="mailto:jeffduda319@gmail.com" target="_blank">jeffduda319@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>You can try prompting the linux command with "!" and hopefully the script recognizes the result and stores it properly.</div><div><br></div><div>I see that you're attempting to do something that would require lots of code in a grads script, but hopefully you know that you can query the valid time of data using 'q time' and parse the data using the 'sublin()', 'subwrd()', and 'substr()' functions internal to GrADS' scripting language.</div><div><br></div><div>Jeff Duda<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Oct 19, 2020 at 1:56 PM Muthuvel Chelliah - NOAA Federal <<a href="mailto:muthuvel.chelliah@noaa.gov" target="_blank">muthuvel.chelliah@noaa.gov</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Hello folks,</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">How can I set the result of the following linux shell command</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">to a variable (time_var) within a Cola grads script? which can be assigned</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">to set time command, via 'set time 'time_var</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">date -d "3 days ago" +%d%b%Y<br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Thanks</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Muthu</div><div><div dir="ltr"><div dir="ltr"><div><div><div><div><div><font face="verdana,sans-serif">------------------------------------------------</font><br></div>Dr. Muthuvel Chelliah, eMail: <a href="mailto:Muthuvel.Chelliah@noaa.gov" target="_blank">Muthuvel.Chelliah@noaa.gov</a><br></div>Rm. 3008, Climate Prediction Center, Ph: (301) 683-3393<br></div>NCEP/NWS/NOAA/U.S.Dept.of Commerce,<br></div>5830, University Research Court, NCWCP,<br></div>College Park, MD 20740<br></div></div></div></div>
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><font size="2"><span>Jeff Duda, Research Scientist</span></font></div><div dir="ltr"><font size="2"><span></span></font>University of Colorado Boulder</div><div dir="ltr"><font size="2"><span></span></font>Cooperative Institute for Research in Environmental Sciences</div><div dir="ltr">NOAA/OAR/ESRL/Global Systems Laboratory<br><font size="2"><span>
<span>Boulder, CO<br></span></span></font>
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