ftp.ntua.gr:/mirror/ctan/fonts/ptex-fontmaps/examples/?C=M&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] series-compare.tex                               25-Jun-2021 15:08  776   
[   ] ptex-sample.tex                                  25-Jun-2021 15:08  744   
[   ] otf-sample.tex                                   25-Jun-2021 15:08  1.3K  
[   ] otf-sample-04.tex                                25-Jun-2021 15:08  1.2K
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