Nested IF Statements

[HockeyFan]

Can someone help me with a nested if statement???

I need to check the existance of four files before a install is run. If the file is there...do nothing...if it's not there display message prompt and exit.

So far, all I have is a bunch of If...then statements. Please help me clean this up!

If FileExists("C:\Software\McAfeeUpdate\MVSA1.exe") Then
    $X = 1
Else
    MsgBox(0,"Run Error!", "Please run McAfeeUdate.exe file to install update.",60)
    Exit
EndIf
If FileExists("C:\Software\McAfeeUpdate\MVSA2.exe") Then
    $X = 2
Else
    MsgBox(0,"Run Error!", "Please run McAfeeUdate.exe file to install update.",60)
    Exit
EndIf
If FileExists("C:\Software\McAfeeUpdate\MVSA3.exe") Then
    $X = 3
Else
    MsgBox(0,"Run Error!", "Please run McAfeeUdate.exe file to install update.",60)
    Exit
EndIf
If FileExists("C:\Software\McAfeeUpdate\MVSA4.exe") Then
    $X = 4
Else
    MsgBox(0,"Run Error!", "Please run McAfeeUdate.exe file to install update.",60)
    Exit
EndIf

Thanks!

[blindwig]

You don't need nested IFs for that. Maybe a single IF nested in a loop, but that's about it:

For $X = 1 to 4
    If Not FileExists("C:\Software\McAfeeUpdate\MVSA" & $X & ".exe") Then ExitLoop
Next
If $X < 5 Then MsgBox(0,"Run Error!", "Please run McAfeeUdate.exe file to install update.",60)

Edited July 22, 2005 by blindwig

[Swimming_Bird]

AFAIK you can nest as many as you want

If Blah Then
    This that
    If Blah Then
        IF Blah Then Blahahdfalhdsafhd
    Else
        Blahdlfasdf 
    EndIf
ElseIf
    Blah
Else
    Blah
Endif

You can also use a case structure

Select
    Case $1=1
        Blah
    Case $2=2
        blah
EndSelect

what i would do however is

Dim $x[5]
$x[1]=File1
$x[2]=file2
.....
For $dis = 1 to 5
    If Not FileExists($x[$dis]) Then 
        MsgBox(0,"Run Error!", "Please run McAfeeUdate.exe file to install update.",60)
        Exit
    EndIf
Next

Edited July 22, 2005 by Swimming_BIrd

[HockeyFan]

what i would do however is

Dim $x[5]
$x[1]=File1
$x[2]=file2
.....
For $dis = 1 to 5
    If Not FileExists($x[$dis]) Then 
        MsgBox(0,"Run Error!", "Please run McAfeeUdate.exe file to install update.",60)
        Exit
    EndIf
Next

<{POST_SNAPBACK}>

Thanks Swimming_BIrd...I like it!!

[HockeyFan]

You don't need nested IFs for that.  Maybe a single IF nested in a loop, but that's about it:

For $X = 1 to 4
    If Not FileExists("C:\Software\McAfeeUpdate\MVSA" & $X & ".exe") Then ExitLoop
Next
If $X < 5 Then MsgBox(0,"Run Error!", "Please run McAfeeUdate.exe file to install update.",60)

<{POST_SNAPBACK}>

Thanks for your input blindwig!