The primary regex will match one particular whitespace character. The second regex will reluctantly match a number of whitespace figures. For many functions, both of these regexes are certainly similar, apart from in the 2nd scenario, the regex can match additional on the string, if it prevents the regex match from failing. from
World the place travellers are weighed on arrival and departure so it retains its mass to avoid orbital destabilization
If You usually use /S, it is possible to ignore the exception and just bear in mind the "typical" situation. The downside is the fact cmd.
* Causes fprintf to pad the output till it is n figures vast, where n can be an integer worth saved during the a operate argument just previous that represented through the modified type.
And because your second parameter is vacant string "", there is not any distinction between the output of two situations.
This way it could stand By itself. Furnishing an case in point that was equivalent to the instance inside the question would even be a additionally.
If the worth is greater than 4 character positions extensive, the sphere width expands to accommodate the suitable range of characters.
This really is pretty conventional error-examining code for just a Python script that accepts command-line arguments.
5 @powersource97, %.*s suggests you're looking through the precision worth from an argument, and precision is the maximum range of people to be printed, and %*s you might be reading through the width benefit from an argument, and that is the minimum amount os characters to generally be printed.
This executes SomeCommand.exe redirecting regular output to your temp file and conventional mistake to exactly the same area:
Using scanf with the %s conversion specifier will stop scanning at the initial whitespace character; for example, If the input stream seems like
What chemical features or minerals would wish to become current in content streaming from Alpha Centauri to convince us that it did originate there?
What chemical components or minerals would wish to become present click here in substance streaming from Alpha Centauri to convince us that it did originate there?
This might be far more more likely to be attractive inside the scenario during the issue Michael Burr connected to, where cmd.exe is becoming launched by CreateProcess rather than from a batch file or even the command line itself..
The PEP does not say "supplanted" and in no A part of the PEP will it say the % operator is deprecated (but it does say other factors are deprecated down the bottom). You may favor str.format and that is wonderful, but right up until there is a PEP indicating it is deprecated there isn't any sense in saying it is when it isn't.