SSID and PASSWORD read from SPIFFS file contain newline

[hellraise007]

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1. #include "SPIFFS.h"
2. #include <WiFi.h>
3. void setup(){
4.   File file;
5.   Serial.begin(115200);
6.  
7.   if(!SPIFFS.begin(true)){
8.      Serial.println("An Error has occurred while mounting SPIFFS");
9.      return;
10.   }
11.  
12.  
13.     file = SPIFFS.open("/test.txt", FILE_WRITE);
14.     if(!file){
15.       Serial.println("There was an error opening the file for writing");
16.       return;
17.     }
18.     else
19.     {
20.       Serial.println("Opening the file for writing");
21.     }
22.     String ssid= "MAD";
23.     String pass = "1234567890";
24.     if(file.println(test))
25.     {
26.       Serial.println("SSID Written");
27.     }
28.  
29.     //file.close();
30.     file = SPIFFS.open("/test.txt",FILE_APPEND);
31.     if(!file){
32.       Serial.println("There was an error opening the file for appending");
33.       return;
34.     }
35.  
36.       if(file.println(test2))
37.       {
38.         Serial.println("Password Was Written");
39.       }
40.      
41.     file.close();
42.  
43.    
44.     file =SPIFFS.open("/test.txt");
45.       //read
46.       if(!file){
47.       Serial.println("There was an error opening the file for reading");
48.       return;
49.     }
50.     else
51.     {
52.       Serial.println("Opening the file for reading");
53.     }
54.     Serial.println("File Content : ");
55.    
56.     int i=0;
57.     String s,p;
58.     while(file.available())
59.     {
60.       if(i == 0)
61.        s = file.readStringUntil('\n');
62.       else
63.        p = file.readStringUntil('\n');
64.        i++;
65.     }
66.     file.close();
67.     Serial.println(s.c_str());
68.     Serial.println(p.c_str());
69.   WiFi.softAP(s.c_str(),p.c_str());
70.   Serial.print("Connecting to WiFi..");
71.   // while (WiFi.status() != WL_CONNECTED) {
72.   //   delay(500);
73.   //   Serial.print(".");
74.   // }
75. }
76.  
77. void loop(){}

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On execution the AP created ( client credentials passed) have a newline character at the end. How to remove the newline character from the end of the string?

wifi.JPG (15.44 KiB) Viewed 6816 times

[boarchuz]

file.println

file.print

[lbernstone]

s.trim();
p.trim();