cmd - need explanation of a batch code -

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can me explain below batch code doing?

rem client: crm_ci_m8626aabbqnbam200030.1.5 set name=%client% /f "tokens=1 delims=_" %%a in ("%name%" ) (     set name=%%a )

if crm_ci_m8626aabbqnbam200030.1.5 in %client%, code assigns crm %name%.


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