CentOS-6.6 – Wget $? Returns 0 When Invalid Protocol Used

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Can someone enlighten me why this:

wget –quiet –no-check-certificate ttps://flub.githubusercontent.com/jodrell/jwhois/master/example/jwhois.conf
; echo $?

returns this:
0

When wget –no-quiet says this:

wget –no-quiet –no-check-certificate ttps://flub.githubusercontent.com/jodrell/jwhois/master/example/jwhois.conf
; echo $?

ttps://flub.githubusercontent.com/jodrell/jwhois/master/example/jwhois.conf:
Unsupported scheme `ttps’.

0

Is not an unsupported scheme an error in much the same fashion as an invalid URI? Should it not return an non-zero value in ‘$?’ ?

wget https://flub.githubusercontent.com/jodrell/jwhois/master/example/jwhois.conf
; echo $?

–2015-04-22 09:50:48

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