guivi

void CDialog::SelectComPort()
{
	TCHAR lpTargetPath[5000]; // buffer to store the path of the COMPORTS
	DWORD test;
	bool gotPort = 0; // in case the port is not found
	m_serialList.ResetContent();

	for (int i = 0; i < 255; i++) // checking ports from COM0 to COM255
	{
		CString str;
		str.Format(_T("%d"), i);
		CString ComName = CString("COM") + CString(str); // converting to COM0, COM1, COM2

		test = QueryDosDevice(ComName, lpTargetPath, 5000);

		// Test the return value and error if any
		if (test != 0) //QueryDosDevice returns zero if it didn't find an object
		{
			m_serialList.AddString((CString)ComName); // add to the ComboBox
			
			gotPort = 1; // found port
		}

		if (::GetLastError() == ERROR_INSUFFICIENT_BUFFER)
		{
			lpTargetPath[10000]; // in case the buffer got filled, increase size of the buffer.
			continue;
		}

	}

	if (!gotPort) // if not port
		m_serialList.AddString((CString)"No Active Ports Found"); // to display error message incase no ports found

}

BEGIN_MESSAGE_MAP(CDialog, CDialogEx)
	ON_WM_DEVICECHANGE()
END_MESSAGE_MAP()

BOOL CDialog::OnDeviceChange( UINT wParam, DWORD_PTR  lParam)
{

}

#!/bin/bash
#####################################################################
# BRIEF DESCRIPTION
# This script looks for the keyword 'upgrade' in the log files
# then it compares the date of all occurrences of the key word and
# and prints to shell the most recent date.
#####################################################################

# Check numer of availabe log dpkg files 
mapfile -t files < <(ls /var/log/dpkg.log*)
# Debug print
# echo ${#files[@]}

# Iterate over all log files found
for ((i=0; i <${#files[@]}; i++))
do 
    # Debug print
    # echo ${files[i]}
    
    # grep a log file for upgrades store in an array.
    mapfile -t lines < <(grep upgrade ${files[i]})
    
    # Debug print
    # echo ${#lines[@]}
    
    # Store the number of lines on the last grep file
    leng=${#lines[@]}
    # loop through each line in thearray
    for ((j=0; j<leng;j++)) do
	# If length of $STRING is larger than one compare the new $DATE with the $STRING
        # If the date is more resent store the new date in $STRING 
        if [ -n $STRING ] 
        then
	    DATE=${lines[j]:0:10}
            # echo $DATE
	    if [[ "$STRING" < "$DATE" ]]; 
	    then
		STRING="$DATE"
	    fi
        else
	# Initialize the $STRING
            DATE=${lines[j]:0:10}
	    STRING="$DATE"
	fi
    done
done

# Output the most recent upgrade date of the system if any was found.
if [[ -n $STRING ]]
then
    echo "$STRING"
fi