WHILE

WHILE ... END WHILE


    WHILE expr
        [ BREAK ]
        [ CONTINUE ]
        [ EXIT WHILE ]
        { statement }
    [ELSE
        { statement } ]
    END WHILE | WEND

While repeats a loop until the test conditions are met. Break exits the loop immediately, and Continue jumps to the top of the loop.
If the While statement is exited without executing a Break, the optional Else statement will be executed.


    ' Search a file for a matching string
    WHILE NOT EOF()
        INPUT #1, text
        IF instr( text, matchingText ) THEN
            PRINT "Found the text"
            BREAK
        END IF
    ELSE
        PRINT "Text not found"
    END WHILE