* Brings about fprintf to pad the output till it's n characters large, where by n is definitely an integer value saved from the a functionality argument just preceding that represented from the modified kind.
Those two replaceAll phone calls will often create exactly the same final result, in spite of what x is. Even so, it is crucial to note the two regular expressions are certainly not the identical:
so "indent" specifies simply how much Area to allocate for the string that follows it in the parameter list.
This is very important for members of our Group who are newbies, and not acquainted with the syntax. Given that, could you edit your remedy to include an explanation of Anything you're accomplishing and why you think it is the greatest tactic?
This is reasonably standard error-checking code for a Python script that accepts command-line arguments.
The real difference lies in the best way it get's dealt with. In the event you would have a gaggle of read more (such as) three spaces instantly next each other s+ requires that team and turns The full it into a "", while s would proces each individual Place on its own.
cnicutarcnicutar 182k2626 gold badges376376 silver badges398398 bronze badges Insert a remark
And because your 2nd parameter is empty string "", there isn't a distinction between the output of two cases.
How can I prevent Doing the job additional time as a consequence of teens's not enough setting up devoid of harming them way too badly?
anubhavaanubhava 782k6767 gold badges591591 silver badges660660 bronze badges Incorporate a comment
The width is not laid out in the structure string, but as a further integer worth argument previous the argument that needs to be formatted.
If the value being output is below 4 character positions huge, the value is correct justified in the field by default.
If the worth is greater than 4 character positions huge, the field width expands to accommodate the suitable number of characters.
Another if assertion checks to view In the event the 'database-title' you passed to your script essentially exists within the filesystem. Otherwise, you'll get a information such as this: