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Hello and welcome to the golden programming language course in the previous session, we talked about

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rename, file or folder and go Lanc.

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And in this session, we want to talk about the other files and directories concept.

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Check either a file or directory exists.

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It's that function and is not exist, function can be used to check whether a particular file or directory

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exists or not as the function returns a finding for describing the named fine.

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If there is an error, it will be off time pass.

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Or now you can see the syntax.

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Is not exist, function returns a Boolean, indicating whether the error is known to report that the

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file or directory does not exist.

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Now you can see the syntax of is not exist.

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Now let's go to this school program to illustrate how to check if a file or directory exists.

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First, we use the ISTAT function, which returns defined info is structured, describing fine if this

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function returns an error.

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We use the E's not exist to determine if the error is caused by the fact that the directory already

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exists.

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So first defined to vary event like find info and enrolled calling equals invalid stat function from

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all this package.

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O.

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S Dot stats

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and set file name for the example 10.

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Now, right, that is not exist.

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Function is not text function returns a Boolean, indicating whether the error is known to report that

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the file or directory does not exist.

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So if Invoke is not expulsion from all aspects, OS dog is not exist and set a all go to the bot, his

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statement.

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In this case, if is not exist, function return a true value, write a statement based on the fact

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that the file does not exist.

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So from the large package that photog and set a message like backslash, a file

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does not exist

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now.

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Display defined in variable that describes the file structure by print and function from like package

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la dah print and set fire info as arguement saved the project and execute the program.

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Now we can see the output, the these is fine is not available, so the program enters the eve block

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and an arrow related to absence of the fine is displayed.

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We are already doing these to check if a folder exists or not.

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So change the fine name to a folder and change the message folder and see it is valid for all the info

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and change your folder info reformat format the code save the project and again execute the program.

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Now we can see down that these are folder does not exist and the program into the if block and an error

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related to the absent of the folder is display.

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So we were able to check the existence or not existence of a file or folder using the ISTAT and is not

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exist functions in order not to prolong the time of decision.

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We will finish it and we will continue the content in the next session.

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Goodbye.