How to parse Text file c# and get correct result data

Question

I am parsing a text file to get settings data for Bluetooth:

This value could be disabled or enabled and marked with an *.

The problem I am having is that its always returning status as "Enabled" regardless if its disabled or not.

Could this be due to that text its reading from has a tab in front of the lines that are indented. How can I correct this to work?

  private String GetBluetoothStatus(String FilePath)
{
    String[] lines = File.ReadAllLines(FilePath);
    int index = 0;
    string status = "";
    foreach (String s in lines)
    {
        if (s == "Bluetooth")
        {
            if (lines[index + 1].StartsWith("*"))
                status = "Disabled";
            else
                status = "Enabled";
            return status;
        }
        index += 1;
    }
    return status;
}

The text file is below:

BIOSConfig 1.0
;
;     Originally created by BIOS Configuration Utility
;     Version: 4.0.25.1
;     Date="2018/08/06" Time="15:42:35" UTC="-5"
;
;     Found 182 settings
;
Power On When AC Detected
    *Disabled
    Enabled
Power On When Lid is Opened
    *Disabled
    Enabled
Fast Boot
    *Disable
    Enable
Bluetooth
    Disabled
    *Enabled
Wireless Network Device (WLAN)
    Disabled
    *Enabled
LAN / WLAN Auto Switching
    Disabled
    *Enabled

Suggestion. If you want to track of index, then use for not foreach loop — Renatas M.
– Renatas M., Commented Feb 4, 2019 at 13:33

PSK · Accepted Answer · 2019-02-04 13:16:39Z

3

Change following line

if (lines[index + 1].StartsWith("*"))

to

  if (lines[index + 1].Trim().StartsWith("*Disabled"))

Better use Contains like follwoing as you have mentioned that Enable Disable can appear in same line also.

if (lines[index + 1].Contains("*Disabled"))

edited Feb 4, 2019 at 13:16

answered Feb 4, 2019 at 13:11

PSK

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1 Comment

Wade Over a year ago

if the text reads : Bluetooth *Disabled Enabled will the same line work? the setting could be either way and I need it to read the one marked currently with * when the text file is generated?

Paul · Accepted Answer · 2019-02-04 13:11:50Z

1

You do lines[index + 1].StartsWith("*") but if we look your config file it begin with space/tabulation.

Try to test lines[index + 1].Trim().StartsWith("*") to remove this blank space/tabulation before check the value.

If trim don't work, try lines[index + 1].Replace("\t", " ").Replace(" ","").StartsWith("*");

answered Feb 4, 2019 at 13:11

Paul

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