<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Conrado, <div class=""><br class=""></div><div class="">that should not hapen, as the code also tells you ;-)</div><div class=""><br class=""></div><div class="">Could you try replacing line 539 in ft_hastoolbox from</div><div class=""><br class=""></div><div class=""><div style="margin: 0px; line-height: normal; font-family: Menlo;" class=""><div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures;" class=""> status = </span><span style="font-variant-ligatures: no-common-ligatures;" class="">exist(full_name, </span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(195, 55, 32);" class="">'file'</span><span style="font-variant-ligatures: no-common-ligatures;" class="">)</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(213, 59, 211);" class="">;</span></div><div class=""><span style="font-variant-ligatures: no-common-ligatures; color: rgb(213, 59, 211);" class=""><div style="color: rgb(0, 0, 0); font-family: Helvetica;" class=""><br class=""></div><div style="color: rgb(0, 0, 0); font-family: Helvetica;" class="">into</div><div class=""><br class=""></div></span></div></div><div class=""><div style="margin: 0px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures;" class=""> status = </span><span style="font-variant-ligatures: no-common-ligatures; background-color: rgb(0, 166, 178);" class="">(</span><span style="font-variant-ligatures: no-common-ligatures;" class="">exist(full_name, </span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(195, 55, 32);" class="">'file'</span><span style="font-variant-ligatures: no-common-ligatures;" class="">)</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(175, 173, 36);" class="">==</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(195, 55, 32);" class="">3</span><span style="font-variant-ligatures: no-common-ligatures; background-color: rgb(0, 166, 178);" class="">)</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(213, 59, 211);" class="">;</span></div></div></div><div class=""><span style="font-variant-ligatures: no-common-ligatures; color: rgb(213, 59, 211);" class=""><br class=""></span></div><div class="">After that you should make sure that the ft_hastoolbox copy (which is present in multipe private directories) is updated by (on your Mac) running in a terminal</div><div class=""><br class=""></div><div class=""><span style="font-family: Menlo;" class="">fieldtrip/bin/synchronize-private.sh</span> </div><div class=""><span style="font-variant-ligatures: no-common-ligatures;" class=""><div style="color: rgb(213, 59, 211);" class=""><br class=""></div><div style="color: rgb(213, 59, 211);" class=""><span style="color: rgb(0, 0, 0);" class="">the synchronize-private script runs autmatically upon each git commit, but with a manual change you sometimes have to do it by hand.</span></div><div style="color: rgb(213, 59, 211);" class=""><span style="color: rgb(0, 0, 0);" class=""><br class=""></span></div><div class=""><span style="color: rgb(0, 0, 0);" class="">The recent change in this section of FieldTrip code was (as Cristiano </span>mentioned) triggered by recent matlab incompatibilities in file detection, and in making it more octave compatible. But apparently we did not test all possible cases. Please let me know whether it works, I’ll then integrate it in the release version.</div><div class=""><br class=""></div><div class="">Best regards</div><div class="">Robert</div><div style="color: rgb(213, 59, 211);" class=""><span style="color: rgb(0, 0, 0);" class=""><br class=""></span></div><div style="color: rgb(213, 59, 211);" class=""><span style="color: rgb(0, 0, 0);" class=""><br class=""></span></div></span></div><div><blockquote type="cite" class=""><div class="">On 25 May 2016, at 15:50, Conrado Bosman <<a href="mailto:conrado.bosman@gmail.com" class="">conrado.bosman@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hey Cristiano,<div class="">Thanks for the advice!</div><div class="">The problem that I’m seeing is that exist should evaluate whether the mex file exits or not. In that sense, in the actual version, the developers are using exist(varname,’file’) which I think it is correct</div><div class="">The problem is that the output is neither a string, cell or logical values. It gives you a double valued 3 which is exactly what you expect if you are evaluating a mex file which is present in the matlab path. But in is_present, number 3 is not considered as a reasonable output and that’s why is given you this weird “this should not be happen” message. Maybe I will write Robert directly, it seems to me that this is a bug of the code</div><div class=""><br class=""></div><div class="">best</div><div class="">Conrado</div><div class=""><div class=""><blockquote type="cite" class=""><div class="">On 25 May 2016, at 15:23, Cristiano Micheli <<a href="mailto:michelic72@gmail.com" class="">michelic72@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Dear Conrado,<div class="">I encountered this error before and it is due to a changed arguments set in the exist function for one of the latest MatLab versions (I think starting from 2014a if I remember well).</div><div class="">Which version of MatLab are you running?</div><div class=""><br class=""></div><div class="">try to apply this change:</div><div class="">if exist(varname) -> if exist(varname,'var')</div><div class=""><br class=""></div><div class="">That should do it</div><div class="">I hope this helped!</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Cris</div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Wed, May 25, 2016 at 2:28 PM, Conrado Bosman <span dir="ltr" class=""><<a href="mailto:conrado.bosman@gmail.com" target="_blank" class="">conrado.bosman@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">Dear fieldtrippers,<div class=""><br class=""></div><div class="">I’m trying to read the header of a Neuralynx dataset, using the last FieldTrip version available at Github, running on a Linux machine. I encounter the following error (see below).</div><div class=""><br class=""></div><div class="">Originally, I thought that the problem could be related to a FieldTrip dependency on a .mex file, that should be downloaded from the Neuralynx website (‘Neuralynx file reader and writer for Matlab on Linux and Mac OS X’), so I downloaded, compiled and placed the toolbox on a recognizable MATLAB path. </div><div class="">Then, when I run ft_hastoolbox, I noticed that the value of the variable dependency is “3”, which is the expected outcome from the MATLAB function “exist" (which is used in the helper function has_mex from ft_hastoolbox (l539)), when you have a recognizable mex file. However, the value 3 provides you the cryptic error message in “is_present” at line 576</div><div class=""><br class=""></div><div class="">Do you have any clue if I’m doing something wrong?</div><div class=""><br class=""></div><div class="">Thanks in advance!</div><div class="">Conrado</div><div class=""> </div><div class=""><div class=""><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class="">K>> Error using ft_hastoolbox>is_present (line 576)</span></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class="">this should not happen</span></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0);min-height:20px" class=""><span class=""></span><br class=""></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class="">Error in ft_hastoolbox (line 378)</span></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class="">status = is_present(dependency);</span></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0);min-height:20px" class=""><span class=""></span><br class=""></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class="">Error in read_neuralynx_ncs (line 57)</span></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class=""> isMexv3 = ft_hastoolbox('neuralynx_v3', 2); % let's leave warnings for debug</span></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0);min-height:20px" class=""><span class=""></span><br class=""></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class="">Error in read_neuralynx_ds (line 84)</span></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class=""> orig(i) = read_neuralynx_ncs(fname{i}, 0, 0);</span></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0);min-height:20px" class=""><span class=""></span><br class=""></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class="">Error in ft_read_header (line 1576)</span></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class=""> hdr = read_neuralynx_ds(filename);</span></div></div></div><div style="margin:0px;font-size:18px;line-height:normal;font-family:'Andale Mono';color:rgb(0,249,0);background-color:rgb(0,0,0)" class=""><span class=""><span style="font-family: Helvetica; font-size: 12px;" class=""> of a Neuralynx</span></span></div></div><br class="">_______________________________________________<br class="">
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