JMeter- create HTML Dashboard Reports from command line

To create report at the end of the test, execute command from command prompt:
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jmeter -n -t “location of the jmeter script” -l “location of result file”
-e -o “location of the output folder”
example:

jmeter -n -t F:\DevelopmentPrograms\LoadTest\FTP_LoadTest.jmx -l F:\DevelopmentPrograms\LoadTest\Results\result.csv -e -o F:\DevelopmentPrograms\LoadTest\Results

create report from a standalone csv file
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jmeter -g “location of csv file” -o “location of output folder”

For more details refer here: https://jmeter.apache.org/usermanual/get-started.html