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How to execute a part of code once in while loops?
Hi. I have a code and it has a while loop in it. I want code to do something in while loop only once. Here is an example;
1 | while true do |
2 | doOnceThing |
3 | print('Script started.') |
4 | end |
5 | --Some other code |
6 | end |
How can i do it?
EDIT: I know I can put print() outside loop but it's just an example I can't do it on my own code.
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Use two codes JakePlays_TV 97 — 6y
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@JakePlays_TV what you meant? AkinokMiner 17 — 6y
2 answers
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This can be solved with an if statement that is only true if the condition is met. Here is an example
1 | local doOnceThing = 1 |
2 | while true do |
3 | if doOnceThing == 1 then |
4 | --insert your code here |
5 | doOnceThing = doOnceThing + 1 --this will make it never run again |
6 | end |
7 | --Some other code |
8 | end |
This is a bit crude since it will constantly check if doOnceThing is equal to 1, but it will solve your current problem.
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Oh thank you so much I am so dumb AkinokMiner 17 — 6y
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How do I mark as working AkinokMiner 17 — 6y
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If you mean to say, how do you know it's working for debuggin purposes; then add a print inside the if statement. If you mean to reference that doOnceThing has run, then compare it to the value of 2 since it added 1 to it. SteelMettle1 394 — 6y
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fyi the local variable is read as nil in the loop DeceptiveCaster 3761 — 6y
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and in line 3 you forgot the word "then" DeceptiveCaster 3761 — 6y
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thanks, I fixed the then. and I tabbed the local doOnceThing to show that it is within the same scope as the while loop SteelMettle1 394 — 6y
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Notice my answer Senpai ;-; Tymberlejk 143 — 6y
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You can just do that thing before the while loop, like so:
1 | print('Script started.') |
2 |
3 | while true do |
4 | -- Some other code |
5 | end |
But if you specifically want the thing to be done in the while loop you can simply add a boolean to the code and then make something like this:
1 | local didOnceThing = false |
2 |
3 | while true do |
4 | if didOnceThing == false then |
5 | print('Script started.') |
6 | didOnceThing = true |
7 | end |
8 | -- Some other code |
9 | end |
Though it's better to use the first way.
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I know but read the edit part. Thanks anyways AkinokMiner 17 — 6y
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No problem Tymberlejk 143 — 6y