[mdlug] Difference between ; and &&

[Brian Brodsky]

Shouldn't that be

apt-get update || echo "My apt-get succeeded"




On 5/9/2012 8:50 AM, Wojtak, Greg (Superfly) wrote:
> There is also the logical OR:
>
> apt-get update || echo "My apt-get failed"
>
>
>
> On 2012-05-09 8:31 AM, "Brian Brodsky"<brianbrodsky at ameritech.net>  wrote:
>
>> The first set will execute both commands one after the other no matter
>> what. The second will only execute the second command if the first one
>> is successful.
>>
>> On 5/9/2012 8:12 AM, Mat Enders wrote:
>>> Hello all,
>>>
>>> When stringing commands together at the command line I always use the
>>> semicolon ;  I however see&&   used frequently and was wondering what
>>> the difference was.
>>>
>>> For example what is the difference between these commands:
>>>
>>> apt-get update;apt-get dist-upgrade
>>> and
>>> apt-get update&&   apt-get dist-upgrade
>>>
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