Remove all files in the file directory and view the contents of the file in unity

This script stores the following:

How to delete all the files in a folder,

Ways to delete individual files

Ways to get text content

Ways to get other types of text content

Ways to write to a text file

voidStart () {stringFilePath = Application.streamingassetspath +"/"+"Abb.txt"; #regionTo delete a file//string fullPath = Application.streamingassetspath; //bool isTrue = Deleteallfile (FullPath); //if (isTrue)//{    //Debug.Log ("Delete successful!!!!!!"); //}    //Else//{    //Debug.Log ("Delete failed!!!!!!"); //}    #endregion     #regionThe first way to get the contents of a file//string m_str = Gainfilecontent_1 (FilePath); //Debug.Log (m_str);    #endregion     #regionThe second way to get the contents of a file//string m_str = Gainfilecontent_2 (FilePath); //Debug.Log (m_str);    #endregion     #regionThird way to get the contents of a filestringM_STR =gainfilecontent_3 (FilePath);    Debug.Log (M_STR); #endregion     #regionTo write the contents of a fileBOOLIsTrue =writefilecontent_3 (FilePath); if(isTrue) {Debug.Log ("Successful WRITE!!!!!!"); }    Else{Debug.Log ("Write failed!!!!!!"); }    #endregion}/// <summary>///Delete all files under the specified file directory/// </summary>/// <param name= "FullPath" >file path</param> Public BOOLDeleteallfile (stringFullPath) {    //gets all resource files below the specified path and then deletes them    if(Directory.Exists (FullPath)) {DirectoryInfo direction=NewDirectoryInfo (FullPath); fileinfo[] Files= direction. GetFiles ("*", searchoption.alldirectories); Debug.Log (Files.         Length);  for(inti =0; I < files. Length; i++)        {            if(Files[i]. Name.endswith (". Meta"))            {                Continue; }            stringFilePath = FullPath +"/"+Files[i].            Name;            Print (FilePath);        File.delete (FilePath); }        return true; }    return false;} /// <summary>///First: Gets the contents of the specified file/// </summary> Public stringGainfilecontent_1 (stringFilePath) {    stringM_STR =NULL; Try    {        //reads all the rows of the file and reads the data into the defined character array strs, one cell in a row        string[] STRs =File.ReadAllLines (FilePath);  for(inti =0; I < STRs. Length; i++) {m_str+ = Strs[i];//read each line and connect it togetherM_str + ="\ n";//line breaks at the end of each line        }        returnm_str; }    Catch(System.Exception e) {Debug.Log (e.message); returnm_str; }     } /// <summary>///get content from a text document or a non-TXT text document/// </summary>/// <param name= "M_filename" >the path and name of the file</param> Public stringGainfilecontent_2 (stringm_filename) {    Try    {        stringPathsource =M_filename; using(FileStream Fssource =NewFileStream (Pathsource, FileMode.Open, FileAccess.Read)) {            byte[] bytes =New byte[Fssource.length]; intNumbytestoread = (int) Fssource.length; intNumbytesread =0;  while(Numbytestoread >0)            {                intn =fssource.read (Bytes, numbytesread, numbytestoread); if(n = =0)                     Break; Numbytesread+=N; Numbytestoread-=N; } numbytestoread=bytes.            Length; stringM_STR =UTF8Encoding.UTF8.GetString (bytes); returnm_str; }    }    Catch(System.Exception e) {Debug.Log (e.message); return NULL; }} /// <summary>///to read the contents of a text/// </summary>/// <param name= "FilePath" ></param>/// <returns></returns> Public stringGainfilecontent_3 (stringFilePath) {    //ReadAllText method The first parameter is the path to read the TXT file, and the second parameter is the encoding method, which uses the default    stringM_STR =File.readalltext (FilePath, Encoding.default); returnm_str;} /// <summary>///write a file to the text/// </summary>/// <param name= "FilePath" ></param>/// <returns></returns> Public BOOLWritefilecontent_3 (stringFilePath) {    Try{file.appendalltext (FilePath,"I was written in.", Encoding.default); return true; }    Catch(System.Exception e) {Debug.Log (e.message); return false; }    }

The above realized for the text file increase, delete, check, hope to help everyone!!!!!!

Remove all files in the file directory and view the contents of the file in unity