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The 's' replaces one space match at a time though the 's+' replaces The entire Area sequence without delay with the second parameter.

Using %s in scanf without having an explcit subject width opens precisely the same buffer overflow exploit that will get did; namely, if there are actually more figures in the input stream compared to focus on buffer is sized to hold, scanf will Fortunately compose People additional characters to memory outside the house the buffer, most likely clobbering some thing critical. However, unlike in printf, you can't supply the sector with to be a operate time argument:

Cmd /S is extremely handy as it saves you acquiring to bother with "quoting estimates". Recall the /C argument usually means "execute this command as though I had typed it for the prompt, then Give up".

this assignation can be carried out at initialization like char term="it is a phrase" // the word assortment of chars received this string now and is statically outlined

The width is not laid out in the structure string, but as a further integer price argument previous the argument that needs to be formatted.

anubhavaanubhava 781k6666 gold badges590590 silver badges660660 bronze badges Incorporate a remark  

So the very first if assertion interprets to: in the event you have not handed me an argument, I'm going to show you how you'll want to go me an argument Down the road, e.g. you will see this on-display screen:

If the value is larger than four character positions wide, the field width expands to accommodate the suitable range of characters.

If the value to generally be output is a lot less than 4 character positions wide, the worth is right justified in the sphere by default.

An assembly language is precise to a certain Personal computer architecture, in contrast to most high-amount programming languages, which may be a lot more portable.

The width is not laid out in the format string, but as an additional integer benefit argument previous the argument that must be formatted.

@barlop, The purpose of /S is that if you don't know ahead of time if the command has embedded prices or not. If there are actually precisely two rates about the command line it is actually addressed differently by default if you can find just two quote characters than if you will find much more or much less. /S causes it to be be taken care of precisely the same. It can be documented: Just form "enable cmd" about the command line.

Andrew HareAndrew Hare 351k7575 gold badges644644 silver badges640640 bronze badges three 15 Notice click here that this type of string interpolation is deprecated in favor of the greater potent str.format approach.

All I'm sure is cmd.exe's command parsing (In particular with escaping people) could be weird occasionally, so I've no doubt that /s is useful in at least one particular situation.

.S information are supply code information created in assembly. Assembly is an extremely small-stage type of programming. The data files incorporate assembly Directions to the processor in sequential buy and are generally compiled determined by a selected architecture.

The PEP doesn't say "supplanted" As well as in no part of the PEP will it say the % operator is deprecated (but it does say other issues are deprecated down the bottom). You may perhaps like str.structure and that is high-quality, but right until there is a PEP declaring it really is deprecated there's no perception in proclaiming it can be when it is not.