C#

protected override bool checkTimepoint(DateTime timepoint, DayOfWeek from, DayOfWeek to)
        {
            return timepoint.DayOfWeek >= from && timepoint.DayOfWeek <= to;
        }

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-Spacix
All your skynet questions[^] belong to solved

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I dislike the black-and-white voting system on questions/answers.

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using System.Threading;

Thread.CurrentThread.CurrentCulture.DateTimeFormat.FirstDayOfWeek = DayOfWeek.Sunday;

protected override bool checkTimepoint(DateTime timepoint, DayOfWeek from, DayOfWeek to)
{
    Thread.CurrentThread.CurrentCulture.DateTimeFormat.FirstDayOfWeek = from;
    bool inRange = timepoint.DayOfWeek >= from && timepoint.DayOfWeek <= to;
    Thread.CurrentThread.CurrentCulture.DateTimeFormat.FirstDayOfWeek = DayOfWeek.Sunday;
    return inRange;
}

buchstaben wrote:

Thursday-Wednesday

int x = (int) timepoint.DayOfWeek ;
int y = (int) from ;
int z = (int) to ;

x += x==0 ? 7 : 0 ;
y += y==0 ? 7 : 0 ;
z += z==0 ? 7 : 0 ;

return ( x >= y && x <= z ) ;

DayOfWeek from = DayOfWeek.Thursday;
DayOfWeek to   = DayOfWeek.Tuesday;

DayOfWeek currentDay = DayOfWeek.Wednesday;

bool inRange = (currentDay >= from || currentDay <= to);

[System.FlagsAttribute()]
public enum CheckRangeResult
{
    WithinStrictRange = 0
,
    Low               = 1
,
    High              = 2
,
    WithinLooseRange  = 3
}

DayOfWeek startDay = DayOfWeek.Thursday;
DayOfWeek endDay = DayOfWeek.Monday;
DayOfWeek currentDay = DayOfWeek.Wednesday;

public bool DateInRange(DayOfWeek currentDay, DayOfWeek startDay, DayofWeek endDay)
{
    return (currentDay >= startDay || currentDay <= endDay);
}

public static bool DateInRange(DayOfWeek currentDay, DayOfWeek startDay, DayofWeek endDay)
{
    return (currentDay >= startDay || currentDay <= endDay);
}

public static void DayInRange(DayOfWeek currentDay, DayOfWeek startDay, DayOfWeek endDay)
{
    if (startDay == endDay)
    {
        return true;
    }
    if (startDay < endDay)
    {
        return (currentDay >= startDay && currentDay <= endDay);
    }
    return (currentDay >= startDay || currentDay <= endDay);
}

PIEBALDconsult wrote:

Vinay's response

Kwagga wrote:

file with FileHelpers

Kwagga wrote:

I am also using one of the imported fields and matching that to derive an extra field

Kwagga wrote:

I need to write all that data plus the extra field prov to file.

engine.WriteFile(@"C:\Sasol_" + DateTime.Today.ToString("ddMMyyyyhhmm") + ".csv", res + Environment.NewLine + prov);