is there someone could explain me this code please (just tell me what this code is supposed to do. very important plz):
Code:
Sub doSomething(filename As String)
Dim exApp As New Excel.Application
Dim exWork As Excel.Workbook
Dim exSheet As Excel.Worksheet
Dim strTmp As String
Dim i As Integer
Dim ttt As String
Dim tmp As String
Dim String1 As String
Dim VarT As String
Dim VarTb As String
exApp.Visible = True
On Error GoTo ****
i = InStrRev(filename, "\")
ttt = Mid(filename, i + 1, 2)
Set exWork = exApp.Workbooks.Open(filename, False, False)
Set exSheet = exWork.Sheets(1)
For Each exSheet In exWork.Sheets
String1 = ""
exSheet.Select
GoodDate = exSheet.Cells(2, "C")
GoodDate = Right(GoodDate, Len(GoodDate) - InStr(GoodDate, "day ") - 3)
GoodDate = Format(GoodDate, "YYYY-MM-DD")
i = 8
While Trim(exSheet.Cells(i, "A")) <> ""
ScheduleDate = ""
BroadCastDate = ""
Ttime = ""
txtrem = ""
Duration = ""
Title = ""
orig_desc = ""
channel_type = ""
ct_date_sch = ""
canceled = ""
video_uk = ""
video_eur = ""
vps = ""
teletex = ""
teletex_lan = ""
Live = ""
Stereo = ""
two_tone = ""
two_tone_lan = ""
subtitle = ""
subtitle_lan = ""
encryption = ""
Language = ""
highlight = ""
first_showing = ""
last_showing = ""
repeated_from = ""
simulcast = ""
pay_per_view = ""
is_umbrella = ""
channel_rating = ""
channel_cat = ""
Ori_Title = ""
episode_title = ""
ori_epi_title = ""
Episode_nb = ""
Version = ""
aka_title = ""
actor_list = ""
director = ""
presenter = ""
guests = ""
production = ""
distribution = ""
country = ""
Year_of_Prod = ""
Emission_duration = ""
ori_language = ""
black_white = ""
colorised = ""
categorie = ""
Ttype = ""
content = ""
starrating = ""
certification = ""
pilot = ""
synopsis = ""
text_1 = ""
text_2 = ""
credits = ""
Main_actor1 = ""
Role_actor1 = ""
Main_actor2 = ""
Role_actor2 = ""
Main_actor3 = ""
Role_actor3 = ""
Main_actor4 = ""
Role_actor4 = ""
Main_actor5 = ""
Role_actor5 = ""
Main_actor6 = ""
Role_actor6 = ""
Regional = ""
Silent = ""
Dolby = ""
SizeNine = ""
sched_extra = ""
dumpdate = ""
ID = ""
moved_id = ""
'strTmp = strTmp & "pmv" & vbTab & GoodDate & vbTab
VarT = exSheet.Cells(i, "A")
If i = 8 Then
VarT = "0600"
End If
If exSheet.Cells(i + 1, "A") <> "" Then
VarTb = exSheet.Cells(i + 1, "A")
Else
VarTb = "0600"
End If
If InStr(VarT, ":") <> 0 Then
VarT = Replace(VarT, ":", "")
End If
If InStr(VarTb, ":") <> 0 Then
VarTb = Replace(VarTb, ":", "")
End If
Ttime = Mid(VarT, 1, 2) & ":" & Mid(VarT, 3, 2)
Ttimeb = Mid(VarTb, 1, 2) & ":" & Mid(VarTb, 3, 2)
Ttime = Format(DateAdd("h", 1, CDate(Ttime)), "HH:NN")
Ttimeb = Format(DateAdd("h", 1, CDate(Ttimeb)), "HH:NN")
If Ttime < CDate("07:00") And Ttime >= CDate("00:00") Then
Broad_Date = Format(DateAdd("d", 1, GoodDate), "yyyy-mm-dd") & " " & Ttime
Else
Broad_Date = GoodDate & " " & Ttime
End If
Duration = DateDiff("N", Ttime, Ttimeb)
If Duration < 0 Then
Duration = Duration + 1440
End If
Ttime = Format(Ttime, "HHNN")
Title = exSheet.Cells(i, "B")
If InStr(Title, "(") <> 0 Then
orig_desc = Right(Title, Len(Title) - InStr(Title, "(") + 1)
Title = Left(Title, InStr(Title, " (") - 1)
End If
If InStr(orig_desc, "Live") <> 0 Then
Live = "1"
End If
If InStr(orig_desc, "(R)") <> 0 Then
repeated_from = "01/01/1901"
End If
If InStr(orig_desc, "'") <> 0 Then
Emission_duration = Right(orig_desc, Len(orig_desc) - InStrRev(orig_desc, " "))
Emission_duration = Replace(Emission_duration, "'", "")
End If
Episode_nb = exSheet.Cells(i, "C")
synopsis = exSheet.Cells(i, "E")
If exSheet.Cells(i, "F") <> "" Then
channel_cat = exSheet.Cells(i, "F")
If exSheet.Cells(i, "G") <> "" Then
channel_cat = channel_cat & " / " & exSheet.Cells(i, "G")
End If
End If
'If exSheet.Cells(i, "C") <> "" Then
' strTmp = strTmp & "Episode Number: " & exSheet.Cells(i, "C") & vbCrLf
'End If
'If exSheet.Cells(i, "F") <> "" Then
' strTmp = strTmp & "Genre: " & exSheet.Cells(i, "F") & vbCrLf
'End If
'If exSheet.Cells(i, "G") <> "" Then
' strTmp = strTmp & "Subgenre: " & exSheet.Cells(i, "G") & vbCrLf
'End If
'strTmp = strTmp & exSheet.Cells(i, "E") & vbCrLf
i = i + 1
String1 = String1 & "pmv" & vbTab & GoodDate & vbTab & Broad_Date & _
vbTab & Ttime & vbTab & txtrem & vbTab & Duration & vbTab & Title & vbTab & _
orig_desc & vbTab & channel_type & vbTab & ct_date_sch & vbTab & canceled & _
vbTab & video_uk & vbTab & video_eur & vbTab & vps & vbTab & teletex & _
vbTab & teletex_lan & vbTab & Live & vbTab & Stereo & vbTab & two_tone & _
vbTab & two_tone_lan & vbTab & subtitle & vbTab & subtitle_lan & vbTab & _
encryption & vbTab & Language & vbTab & highlight & vbTab & first_showing & _
vbTab & last_showing & vbTab & repeated_from & vbTab & simulcast & vbTab & _
pay_per_view & vbTab & is_umbrella & vbTab & channel_rating & vbTab & channel_cat & _
vbTab & Ori_Title & vbTab & episode_title & vbTab & ori_epi_title & vbTab & _
Episode_nb & vbTab & Version & vbTab & aka_title & vbTab & actor_list & vbTab & _
director & vbTab & presenter & vbTab & guests & vbTab & production & vbTab & _
distribution & vbTab & country & vbTab & Year_of_Prod & vbTab & _
Emission_duration & vbTab & ori_language & vbTab & black_white & vbTab & _
colorised & vbTab & categorie & vbTab & Ttype & vbTab & content & vbTab & _
starrating & vbTab & certification & vbTab & pilot & vbTab & synopsis & _
vbTab & text_1 & vbTab & text_2 & vbTab & credits & vbTab & Main_actor1 & _
vbTab & Role_actor1 & vbTab & Main_actor2 & vbTab & Role_actor2 & vbTab & _
Main_actor3 & vbTab & Role_actor3 & vbTab & Main_actor4 & vbTab & _
Role_actor4 & vbTab & Main_actor5 & vbTab & Role_actor5 & vbTab & _
Main_actor6 & vbTab & Role_actor6 & vbTab & Regional & vbTab & Silent & _
vbTab & Dolby & vbTab & SizeNine & vbTab & sched_extra & vbTab & dumpdate & _
vbTab & ID & vbTab & moved_id & vbCrLf
Wend
PrintOut String1, filename & ".txt"
Next
exWork.Close False
exApp.Quit
Set exApp = Nothing
Exit Sub
****:
MsgBox "error : " & Err.Number & ", " & Err.Description & ", " & Err.Source
exApp.Quit
Set exApp = Nothing
End Sub
Private Sub CmdDo_Click()
Dim i As Integer
For i = 0 To File1.ListCount - 1
If File1.Selected(i) Then doSomething File1.Path & "\" & File1.List(i)
Next
End Sub
Private Sub CmdExit_Click()
Unload Me
End Sub
Private Sub Dir1_Change()
File1.Path = Dir1.Path
End Sub
Private Sub Drive1_Change()
On Error GoTo ****
Dir1.Path = Drive1
File1.Path = Dir1.Path
****:
If Err.Number = 68 Then MsgBox "Drives unavailable."
Err.Clear
End Sub
Private Sub PrintOut(str As String, filename As String)
Open filename For Append Shared As #1
Print #1, str
Close #1
End Sub
explain me this code please !! 
Linear Mode
