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Magic
Frequent Visitor

Impossible to rename files with an extraction of a data web page

Hello,

 

A have trouble with an automate.

 

Context :

 

This automate :

 

  1. Check on a local folder (get the name file) files stored on a certain path.
  2. From the name of these files, the autoamte construct a valid URL and open webrowser and load the URL
  3. When the page is loaded, an extraction is performed to get two information :

The name of the author and the title of the art :

 

Magic_0-1648403007848.png

 

This two information are stored in two tables named :

  • ListAuthorPixiv
  • ListArtPixiv

Magic_1-1648400173519.png

 

     4. Rename files (copied in another folder) with this two information previously stored in the two tables.

 

The problem :

 

When power automate wants to rename the file, I get the followed error :

 

Sous-flux : Main, action : 23, nom de l’action : Renommer le(s) fichier(s)

 

Impossible de renommer le fichier

 

Caractères non conformes dans le chemin d'accès.: Microsoft.Flow.RPA.Desktop.Modules.SDK.ActionException: Impossible de renommer le fichier ---> System.ArgumentException: Caractères non conformes dans le chemin d'accès.
à System.IO.Path.CheckInvalidPathChars(String path, Boolean checkAdditional)
à System.IO.Path.Combine(String path1, String path2)
à Microsoft.Flow.RPA.Desktop.Modules.File.Actions.RenameFilesAction.Execute(ActionContext context)
--- Fin de la trace de la pile d'exception interne ---
à Microsoft.Flow.RPA.Desktop.Modules.File.Actions.RenameFilesAction.Execute(ActionContext context)
à Microsoft.Flow.RPA.Desktop.Robin.Engine.Execution.ActionRunner.Run(IActionStatement statement, Dictionary`2 inputArguments, Dictionary`2 outputArguments)

 

In other words, it's impossible to rename files because they are unauthorized character. It's strange because, they are authorized character in my two tables :

 

Magic_2-1648401011231.pngMagic_3-1648401033102.png

 

The command to rename the file :

 

Magic_4-1648401114972.png

 

I just want to try a basic rename to exclude a maximum of potential error and with a simple rename of a file with the first entry of the table "ListArtPixiv" but I have the error. To understand why the reanme is impossible., here what i'have already tried :

 

- Display a message to see what is stored in the 1st entry of the table "ListArtPixiv" :

 

Magic_5-1648401447111.png

 

It's strange, a notice of a final space. But the space character is an authorized character. So it isn't a space, when I try to rename manually with the explorer a get this error :

 

Magic_6-1648401864809.png

 

I think when the extraction is perform, the data from the web page, a non-authorized character is extracted. But it's strange, because the web extraction is correct :

 

Magic_1-1648403105061.png

 

We see clearly that the text extracted contains none space or other non-authorized characters.

 

Something is strange in this web extraction. Any idea to solve this problem ?

 

Thanks per advance.

 

1 ACCEPTED SOLUTION

Accepted Solutions
Magic
Frequent Visitor

I figured out that the invisible character was a newline. But according to the web extraction, only the character is extracted. Anyway, i try to find another way to rename this files. So i try to cut the last string and display the contents of the variable and it confirms that the chain string is correct :

 

Screenshot_20220401-213509.png

we can see the string contain only the 'W' is affected to the table ListArtPixiv :

 

Screenshot_20220401-214004.png

 

but i have the same error when i rename with ListArtPixiv[0]...

 

Any solution?

Thanks per advance

View solution in original post

4 REPLIES 4
VJR
Multi Super User
Multi Super User

The space may not be a space. It could also be some other character like a carriage return, line feed, newline or TAB or any other invisible character.

 

Such invisible characters can be viewed in a Hex editor like Notepad++ (Free to use)

For eg, look at the before/after turning on the setting to show invisible characters.

 

Before:

 

VJR_1-1648437139231.png

 

After:

 

VJR_0-1648437069411.png

 

Magic
Frequent Visitor

I figured out that the invisible character was a newline. But according to the web extraction, only the character is extracted. Anyway, i try to find another way to rename this files. So i try to cut the last string and display the contents of the variable and it confirms that the chain string is correct :

 

Screenshot_20220401-213509.png

we can see the string contain only the 'W' is affected to the table ListArtPixiv :

 

Screenshot_20220401-214004.png

 

but i have the same error when i rename with ListArtPixiv[0]...

 

Any solution?

Thanks per advance

Magic
Frequent Visitor

Finally i solve the problem with the method a describe in my previous reply.

VJR
Multi Super User
Multi Super User

Okay, good so the issue was indeed with an invisible newline character.

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