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I recently attempted for the first time to ZIP some files I was surprised that each file and directory I selected was placed in the base root of the ZIP file I naively assumed the ZIP program and I have tried several to wit 7-ZIP Zip Free WinRAR and WinZip would place them into the root which is common to them all I utilized the Relative Paths setting for each entry I required this common root arrangement because these are source files utilized in a Visual Studio solution so their paths relative to each other needed to be unchanged The solution I finally decided upon was to copy each of the target files into a separate common root directory and then to simply emplace this directory into the ZIP file and Voila it worked However I still believe it is stupid to be required to do this So either I do not understand how to distribute software using ZIP or people have been enduring this copy requirement w/o complaint If that is the case I am fantasizing of writing a ZIP program which provides the option of calculating the common root so there is no need to perform the aforementioned copy So I seek your advice in telling me what is wrong w/ my fantasy Thank You Kindly
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When did your '.' key break? 
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Lecturing:
PaltryProgrammer wrote: So either I do not understand how to distribute software using ZIP
Let's agree that you don't distribute software using ZIP. You might send it to a friend, on a very occasional basis but software distribution is done using other, more appropriate tools like NSIS or something similar.
End of lecture 
The quick way I zip a tree is to right click on the root folder and "Send to -> Compressed (zipped) folder"
Mircea
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Thank you for informing me of NSIS Maybe it will come in handy However the purpose of my ZIP was to provide project files to Visual Studio support for the purpose of duplicating an apparent error in VS rather than the installation of executables which NSIS seems to be utilized for Thank you also for informing me I need not have purchased WinZip - Cheerio
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I can recommend Inno Setup, see: installers-for-windows-programs[^]
Sadly I was forced to write an installer in C# that uses .zip files, felt like re-inventing the wheel 
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Good point .. I use it for about 10 years now for all kinds of deployments. Tolerance to Pascal is handy in this case, it was stimulating for me to look deeper into Pascal, which is interesting ...
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I used SharpZipLib to compress some files into folders.
Creating a ZipEntry with a relative path (e.g. Info\readme.txt) would create a readme.txt file in the Info folder. You would then write the file contents to the zip file.
Good luck getting something working.
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I think there is a good answer elsewhere, but if you find yourself doing this repeatedly where you want to exclude sensitive data files, etc.
For extremely complicated inclusion and exclusion rules in a folder hierarchy, the very old Ant build <jar> and <fileset> tags let you build powerful inclusion and exclusion rule sets with recursion to build a jar/zip.
You can use macros or templates for standard cases to generate the filesets.
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I was making a state removal method that would turn a state machine into a regular expression.
In the process I needed to do a subtask, to wit, I needed to set up a quick and dirty finite automaton engine to hold the states.
Rather than make a bunch of objects/states that point to other objects/states using dictionaries, I simply stored all the dictionary transitions as a single tuple (int from, int to, string input) in a flat list.
The result is smaller, and allows me to do complicated queries on the relationships between the states (now represented as simple integers) very simply.
In fact, the result is so good, I may be able to rewrite a more compact and efficient state engine using this technique. And it was originally just intended to be "just enough of a thing" to be scaffolding for my overarching algorithm to work with.
I'm elated. Even if the overarching algorithm doesn't work, it means far more compact and efficient code potentially in terms of the finite automata code it works with.
Real programmers use butterflies
modified 23-Oct-21 14:03pm.
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That reminds me of a third-party product a colleague was using.
It didn't support proper Order-of-Operations.
I said, "it's wrong", and he said, "but it's faaaasssst!"
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Sometimes it doesn't have to be completely right to work for a situation. Honestly I respect code that does just enough to do the job for a particular application - very efficiently. It's to my mind, one of the higher achievements in code such that if you can pull it off regularly you are way more clever than I. I have to respect it.
Real programmers use butterflies
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You're a real innovator!
The difficult we do right away...
...the impossible takes slightly longer.
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Accidentally, so. I wish it was repeatable, but when I stumble on something, I'll take it.
Real programmers use butterflies
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honey the codewitch wrote: Accidentally, so.
Penicillin was accidental too 
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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honey the codewitch wrote: turn a state machine into a regular expression
That phrase is a bit odd. The way regular expressions work, depending on the match expression, is to create a state machine (and perhaps even more than one.)
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This is doing the reverse of that.
Real programmers use butterflies
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Yes but just want to be clear that although you are using a regular expression it will in fact end up using a state machine to implement that regular expression.
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Yes, but specifically I'm talking about taking that state machine and turning it back into a regular expression.
Real programmers use butterflies
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I like the state machine setup that is basically an abstract/pure virtual super class where each possible input is a method that returns the next state. Each state is a concrete class that must implement all of the input methods.
It would likely take up more memory with vtables than your approach, but I like that it makes the introduction of a new input a compile time check on all of the states. Same if you add a new state; you have to define transitions for every input.
I prefer compile time checks, but I work on a memory hog of a system where we have that luxury.😊
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If you take a look at Reggie: A Non-Backtracking Streaming Regular Expression Code Generator[^] you'll see that since the state machines end up compiled, the input states are about as checked as they're going to get.
In this way you dictate the state machine specs, it then creates an in memory digraph of the states, which it then does some transformations on before compiling into code, at which point *everything* is compiled - in this case into goto tables - one label for each state. Although it can also generate a table/array based matcher
Because of how that works, your solution actually doesn't actually fit that particular application (and this is how i most often use them). Because it goes spec->state-machine->code, not spec->coded-state-machine
At least if I understand you.
Real programmers use butterflies
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Whenever I let the blessing of my intelligence go to my head, as happens from time to time - which makes me foolish as a result - I try to solve Arden's Theorem in code. It's readily doable. It's proven possible. A CS major could do it over lunch. I've been trying for years.
I've also tried to implement an alternative algorithm. It's equally frustrating.
But it reminds me that I don't know everything, and certain things may remain beyond my reach.
Part of me hopes I never solve it. It's a wonderful lesson in humility.
Real programmers use butterflies
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I thought you were going to say it's chow mein.
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I like the Ardens in Belgium too 
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I prefer the Ardennes.
Good paté.
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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