Column Names from Header in delimited text file

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Hi

I d like to read a .txt file containing a header where lines start by a "# ", followed by 5 space delimited column of numbers.
The last line of the header contains the names of the columns starting with a "# " and space delimited.

Looking at earlier posts on the forum I got 

Function ReadHeaderAndData(pathName, fileName, extension)
    String pathName     // Name of symbolic path or "" to display dialog.
    String fileName         // Name of file or "" to display dialog. Can also be full or partial path relative to symbolic path.
    String extension            // e.g., ".dat" for .dat files. "????" for all files.
    setdatafolder root:
    Variable refNum
 
    // Possibly display Open File dialog.
    if ((strlen(pathName)==0) || (strlen(fileName)==0))
        Open /D /R /P=$pathName /T=(extension) refNum as fileName
        fileName = S_fileName           // S_fileName is set by Open/D
        if (strlen(fileName) == 0)      // User cancelled?
            return -1
        endif
        // fileName is now a full path to the file.
    endif
 
    // Read the header lines
    Open /P=$pathName /R refNum as fileName
    // Read header here using FReadLine
    string buffer
    string/g header
    string lastline
    variable numline=0,Cond=1
    do
        FReadLine refNum, buffer
        if(strsearch(buffer,"#",0)==0)
        header+=buffer
        Numline+=1
        LastLine=buffer
        else
        Cond=0
        endif
        while (Cond==1)
    Close refNum
// print header
 
    Variable linesToSkip = Numline
    Variable linesToLoad = 0                // Number of lines to load or 0 for auto (load all lines).
    Variable columnsToSkip = 0              // Number of columns to skip. Skips date/time data and unit number.
    Variable columnsToLoad = 0          // Number of columns to load or 0 for auto (load all columns).
    Variable makeTable = 1                  // 1 == make a table showing new waves.
 
 LoadWave/Q/O/J/D/P=$pathName/K=0/L={0,linesToSkip,linesToLoad,columnsToSkip,columnsToLoad} /V={" ", "", 0, 1} fileName
  
    return 0
End


Is there an easy way to pass the column names (that we could get from LastLine using sscanf) to LoadWave