<div dir="ltr">Hi,<div><br></div><div>I'm trying to install NCL on my MacOS. By now, I already finished steps of :</div><div><ul style="margin:0px 0px 5px;padding:0px;list-style-position:inside;color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:13.3333px"><li style="margin:0px;padding:0px 0px 0px 25px;font-size:10pt;line-height:12pt;color:rgb(51,51,51)">Install XQuartz</li><li style="margin:0px;padding:0px 0px 0px 25px;font-size:10pt;line-height:12pt;color:rgb(51,51,51)">Install gcc and gfortran</li><li style="margin:0px;padding:0px 0px 0px 25px;font-size:10pt;line-height:12pt;color:rgb(51,51,51)">Go to list of available NCL binaries on the Climate Data Gateway</li><li style="margin:0px;padding:0px 0px 0px 25px;font-size:10pt;line-height:12pt;color:rgb(51,51,51)">Choose and download the right NCL binary for your MacOSX system </li></ul><font color="#333333" face="verdana, sans-serif"><span style="font-size:13.3333px">When I try to install NCL from a downloaded binary, it recommends the following two command lines on the website.</span></font></div><div><pre style="white-space:pre-wrap;margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent;color:rgb(0,0,0)"> mkdir /usr/local/ncl-6.6.2
tar -zxf ~/Downloads/ncl_ncarg-6.6.2-MacOS_10.13_64bit_gnu730.tar.gz -C /usr/local/ncl-6.6.2</pre><pre style="white-space:pre-wrap;margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;border-style:solid;border-width:0px 0px 15px;border-color:transparent;color:rgb(0,0,0)"><font face="verdana, sans-serif">However, this 'mkdir /usr/local/ncl-6.6.2' permission was denied. Could you please help me with this? </font></pre><pre style="white-space:pre-wrap;margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;border-style:solid;border-width:0px 0px 15px;border-color:transparent;color:rgb(0,0,0)"><font face="verdana, sans-serif">BTW, my gfortran version is 'GNU Fortran (GCC) 10.2.0', and gcc version is 'gcc (GCC) 10.2.0'</font></pre><pre style="white-space:pre-wrap;margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;border-style:solid;border-width:0px 0px 15px;border-color:transparent;color:rgb(0,0,0)"><br></pre><pre style="white-space:pre-wrap;margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;border-style:solid;border-width:0px 0px 15px;border-color:transparent;color:rgb(0,0,0)"><font face="verdana, sans-serif">Best regards,</font></pre><pre style="white-space:pre-wrap;margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333px;line-height:12pt;border-style:solid;border-width:0px 0px 15px;border-color:transparent;color:rgb(0,0,0)"><font face="verdana, sans-serif">Xin</font></pre></div></div>