ELSEIF
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starts macro block to be executed when prior IF conditions fail
<value1> Left side of expression <test> Logical test to be performed <value2> Right side of expression ELSEIF begins an alternative execution block for the macro IF statement. It performs the same logical tests available for the IF statement. An example of its use to take operating system-specific action follows: if ENV.OStype eqs VMS ! perform VMS actions elseif ENV.OStype eqs UNIX ! perform UNIX actions else SAY "Not supported for operating system ^ENV.OStype" endif SEE ALSO: IF, ELSE, ENDIF