### Overview Launch Logger creates a text file containing system details each time JMP is launched. These text files can be used to track how many times JMP is launched on a given machine. If a system administrator gathers all of these files across a collection of machines the administrator can track JMP launches across an organization. ### How to Use Launch Logger has no user interface. It uses `addinload.jsl` to gather system information and write it to the text file. The text file is stored in the directory defined by the JMP Path Variable USER_APPDATA. The location pointed to by this variable depends on the JMP Product and operating system. * Macintosh: /Users/\\/Library/Application Support/JMP/\\/ #### v17 and before: * Windows (JMP): C:/Users/\\/AppData/Roaming/SAS/JMP/\\/ * Windows (JMP Pro): C:/Users/\\/AppData/Roaming/SAS/JMPPro/\\/ #### v18+: * Windows (JMP): C:/Users/\\/AppData/Roaming/JMP/JMP/\\/ * Windows (JMP Pro): C:/Users/\\/AppData/Roaming/JMP/JMPPro/\\/ The files in this directory are named using the pattern: *hostname_date_time.txt* where hostname is the name of the machine running JMP and date and time are the launch date and time. The information collected in the text files is: * **Bitness** => 64-bit or 32-bit * **Build Information** => the build date and time, whether it’s a release or debug build, and the product name in a comma-delimited string * **Date** => the date and time that JMP is being launched * **Host** => Mac or Windows * **Hostname** => the value of the environment variable COMPUTERNAME (Windows) or HOSTNAME (Mac) * **JMP Version** => the version of JMP being launched * **Product Name** => the name of the JMP product being run, Pro or Standard * **Username** => the value of the environment variable USERNAME (Windows) or USER (Macintosh) The text file is written using a syntax that makes it easy to read these values back into an associative array in JMP for aggregating the logs. Here is some sample JSL for parsing and collecting the logs: ```jsl tableFromAAList = Function( {inList}, {Default Local}, tblRef = New Table( "Data from List of AAs" ); For( i = 1, i <= N Items( inList ), i++, nextKeys = inList[i] << Get Keys; tblRef << Add Row( 1 ); For( j = 1, j <= N Items( nextKeys ), j++, nextVal = inList[i] << Get Value( nextKeys[j] ); Try( Column( tblRef, nextKeys[j] )[i] = nextVal, //ON ERROR tblRef << New Column( nextKeys[j], Character ); Column( tblRef, nextKeys[j] )[i] = nextVal; ); ); ); tblRef << Delete Columns( "Column 1" ); ); logfiles = Files In Directory( "./Logs" ); logs = {}; For( i = 1, i <= N Items( logfiles ), i++, Insert Into( logs, Parse( Load Text File( "./Logs/" || logfiles[i] ) ) ) ); tableFromAAList( logs ); ```

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