AutoHotkey Community

file= ; replace by fileread
(
line 1
line 2
line 3
line 4
line 5
line 6
line 7
line 8
line 9
)
start1=1
end1=3
start2=4
end2=6
start3=7
end3=9

Loop, Parse, File, `n
   {
   if A_Index between %start1% and %end1%
      Var1 .= A_LoopField "`n"
   if A_Index between %start2% and %end2%
      Var2 .= A_LoopField "`n"
   if A_Index between %start3% and %end3%
      Var3 .= A_LoopField "`n"
   }
   
MsgBox % Var1   
MsgBox % Var2   
MsgBox % Var3

.= A_LoopField "`n"

Var1 := Var1 . A_LoopField . "`n"

filename := "file.txt"
count = 0
index = 1

FileRead, content, %filename%
Loop, parse, content, `n, `r
{
if(count == 10)
{
   index++
   count = 0
}
filepart%index% := filepart%index% . A_LoopField . "`n"
count++
}

Loop, %index%
   Msgbox % filepart%A_Index%