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Be aware: This problem originally asked in 2009, when powershell did not have help with the && operator.
Michael StumMichael Stum 181k119119 gold badges408408 silver badges541541 bronze badges two and or will not be brief-circuiting?
Although occasionally it is feasible to forecast The end result, It is necessary To guage the appropriate-hand aspect.
Even though you omitted Get started-Course of action (which is how you need to invoke command-line utilities - right), the technique would fall quick, because the consequence of the conditional then depends on whether the utility generated any stdout output, which has no confirmed relationship with irrespective of whether it succeeded or not.
$a=somecommand # Short term variable to retailer exit standing of the final command (considering the fact that we won't generate to "$?")
and && alter the Qualities from the OR and AND operators by halting them in the event the LHS problem isn't fulfilled.
The 3 equivalent symptoms mean "equality with out form coercion". Utilizing the triple equals, the values must be equal in sort too.
Yet one more distinction between both of these is, Bitwise & operator is applicable for boolean together with integral styles. Even though short-circuit && operator is relevant only for the boolean style.
So to reply the final two inquiries, I would not say there are any caveats Aside from "know the difference between The 2 operators." They don't seem to be interchangeable mainly because they do two absolutely various things.
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