[GitHub] ThibertT opened a new issue #262: Unable to write multiple times in same file

[GitBox <gi...@apache.org>]

ThibertT opened a new issue #262: Unable to write multiple times in same file
URL: https://github.com/apache/cordova-plugin-file/issues/262
 
 
   I am using this plugin to create a log file to log some of my app's logs in order to be able to debug some production errors (a service will email me the logs.txt).
   
   Here is what I was trying to do ti be sure that this plugin is what I was looking for : 
   
   - Create a logs.txt in "cordova.file.externalDataDirectory" folder without replace it if already exist (working perfectly)
   - Write multiple lines in this logs.txt at multiple times (application lifecycle) (don't work...) 
   
   **Here is my testing code :** 
   
         ```
   this.platform.ready().then(() => {
          this.file.createFile(cordova.file.externalDataDirectory, 'logs.txt', false).then(() => { 
           console.log("Create new file logs.txt");
             for(let i = 0; i< 10; i ++){
               setTimeout(()=>{
                 this.file.writeFile(cordova.file.externalDataDirectory,'logs.txt','helloWorld'+i+' \n',{ replace: false, append: true }).then(() => {      
                   console.log("Write file OK");
                 })
                 .catch((err) => {
                  console.error("Write file err : " +err);
                 });
               }, 1000);
             }
           //If file already exist file.createFile() goes here :
           }).catch((err) => {
             console.log("File logs.txt already exist : " + err);
               for(let i = 0; i< 10; i ++){
                 setTimeout(()=>{
                 
                   this.file.writeFile(cordova.file.externalDataDirectory,'logs.txt','helloWorld'+i+' \n',{ replace: false, append: true }).then(() => {      
                     console.log("Write file OK");
                   })
                   .catch((err) => {
                    console.error("Write file err : " +err);
                   });
                 }, 2000);
               }
           });;
          });
   ```
   
   In my console output I can see ten "Write file OK", so writes process should be good. I was looking to find ten lines of "helloWorld"+i in the logs.txt file. But no...
   Sometimes there is one line, sometimes three lines, sometimes two (never the same).
   
   Should I need to close the file before writing in again ? Documentation on that plugin is quite not explicit and relevant.
   
   Do you know any other plugin that will allow me to create a persistant file and write into it ?
   
   Thank for your help !

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