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The function parameter, enables one to specify to ping (function=ping, default), to print out usage information (function=help), to print out the log file(function=log), to print out an HTML table of the landmarks (function=landmarks) from the TULIP database, and to analyze the log file (function=analyze). The function analyze has a sub option ability=0 to analyze the logs for disabled landmarks and ability =1 (default) to analyze log entries excluding those for disabled landmarks. The function landmarks has an additional parameter out (out=html (default) or out=csv), which can toggle output between html and csv. Using this link, one can easily have a look at landmarks present in the database, along with their most important properties, like tracerouteURL, pingURL, longitude, latitude, city, country and hostname.
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