<html><head></head><body><div class="ydpce37a6dayahoo-style-wrap" style="font-family: courier new, courier, monaco, monospace, sans-serif; font-size: 24px;"><div><div dir="ltr" data-setdir="false">Hi users <br></div><div dir="ltr" data-setdir="false">I want open multiple files with different name and sum same variables in every time step.</div><div dir="ltr" data-setdir="false">I did it by following program but there is many of files and i couldn't open every of them separately.</div><div dir="ltr" data-setdir="false"><span><div class="ydpa4ec277atw-ta-container ydpa4ec277ahide-focus-ring ydpa4ec277atw-nfl" id="ydpa4ec277atw-target-text-container"><pre class="ydpa4ec277atw-data-text ydpa4ec277atw-text-large ydpa4ec277aXcVN5d ydpa4ec277atw-ta" data-placeholder="Translation" id="ydpa4ec277atw-target-text" style="text-align: left;" dir="ltr"><span lang="en">Does anyone have a suggestion?</span></pre></div></span><div><br></div><div dir="ltr" data-setdir="false">sdfopen dust1.nc</div><div dir="ltr" data-setdir="false">set t 1</div><div dir="ltr" data-setdir="false">var1=ta</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">sdfopen dust2.nc</div><div dir="ltr" data-setdir="false">set t 1</div><div dir="ltr" data-setdir="false">var2=ta</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">sdfopen dust3.nc</div><div dir="ltr" data-setdir="false">set t 1</div><div dir="ltr" data-setdir="false">var3=ta</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">var=sum(var1.var2.var3)</div><div dir="ltr" data-setdir="false"><br></div></div><div dir="ltr" data-setdir="false"> ......<br></div><div><br></div><div class="ydpce37a6dasignature"><div style="font-family:garamond, times, serif;font-size:16px;" align="left"><font size="3"><b><font face="courier new, courier, monaco, monospace, sans-serif">Dr. Elham Mobarak Hassan</font></b></font><br></div></div></div></div></body></html>