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Hi, Isilda —
<div>With ‘define’, everything that comes before the = sign is the variable name, which must be alphanumeric. I believe the syntax you’re looking for might be something like this:</div>
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<div><font face="Courier" style="font-size: 14px;">nfiles=124</font></div>
<div><font face="Courier" style="font-size: 14px;">i=1</font></div>
<div><font face="Courier" style="font-size: 14px;">while (i<=nfiles)</font></div>
<div><font face="Courier" style="font-size: 14px;"> if (i=1)</font></div>
<div><font face="Courier" style="font-size: 14px;"> ‘sum=tmp2m.’i’(t=1)’</font></div>
<div><font face="Courier" style="font-size: 14px;"> else</font></div>
<div><font face="Courier" style="font-size: 14px;"> ‘sum=sum+’tmp2m.’i’(t=1)’</font></div>
<div><font face="Courier" style="font-size: 14px;"> endif</font></div>
<div><font face="Courier" style="font-size: 14px;"> i=i+1</font></div>
<div><font face="Courier" style="font-size: 14px;">endwhile</font></div>
<div><font face="Courier" style="font-size: 14px;">'ave=sum/‘nfiles</font></div>
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<div>—Jennifer</div>
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<div>On Jan 5, 2017, at 5:36 PM, Isilda Menezes <<a href="mailto:isilda@uevora.pt">isilda@uevora.pt</a>> wrote:</div>
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<div>Hello, I want created a ave in a gs script with multiple open files with the same time=1.<br>
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I made a loop like this,<br>
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i=1<br>
while (i<124)<br>
'set dfile 'i<br>
'define ll(t='i')=TMP2m'<br>
i=i+1<br>
endwhile<br>
'd ave(ll,t=1,t=124)'<br>
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<div>But a have this error:<br>
<br>
DEFINE error: Name too long; missing '='<br>
Syntax Error: Invalid Operand <br>
'll' not a variable or function name<br>
Operation Error: Error from ave function<br>
Error ocurred at column 1<br>
DISPLAY error: Invalid expression <br>
Expression = ave(ll,t=1,t=124)<br>
Error opening script file: <a href="http://cbarn.gs/">cbarn.gs</a><br>
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<div><span id="gmail-result_box" class="gmail-" lang="en"><span class="gmail-">I've been trying to do it in other ways but I always get errors.</span>
<span class="gmail-">Can someone give me some advice how to solve this problem.<br>
<br>
</span></span></div>
<div><span id="gmail-result_box" class="gmail-" lang="en">Thanks,<br>
</span></div>
<div><span id="gmail-result_box" class="gmail-" lang="en">Isilda<br>
</span></div>
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<div style="font-size: 12px; orphans: 2; widows: 2;">--</div>
<div style="font-size: 12px; orphans: 2; widows: 2;">Jennifer Miletta Adams<br>
Center for Ocean-Land-Atmosphere Studies (COLA)<br>
George Mason University<br>
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