C++/VB - Replace Lines between 2 lines

Asked By V

30-May-07 12:21 PM

Hi All,

I am trying to edit an ini file. I would like to replace lines between to
lines e.g:

[Test1]
asdfasd
asdfasdf

[1st Line]
lines i would like to edit
lines i would like to edit
lines i would like to edit

[2nd Line]

I would like to replace everything between [1st Line] & [2nd Line]

is this possible? I have been trying all day but no luck. Don't know much VB
but learning as i'm going.

Regards

VJ

30-May-07 02:46 PM

You can use the FileSystemObject to either read a file, write a new file, or
append to an existing file. The only way to modify an existing file (other
than appending) is to read the old file, write to a new file, close both
files, delete the old file, and finally rename the old file. You can use the
ReadLine method of a file object to read lines, and the WriteLine method of
another file object to write lines. This link should help:

http://www.microsoft.com/technet/scriptcenter/guide/sas_scr_iikh.mspx

Use the TOC to the left in the link to check out the topics "Reading text
files" and "Writing text files".

--
Richard Mueller
Microsoft MVP Scripting and ADSI
Hilltop Lab - http://www.rlmueller.net
--

30-May-07 03:23 PM

Try this:
There are a few way to achieve this... this is just a simple one.
(watch for word wrap)

Const forReading = 1

strFind1 = "[1st Line]"
strFind2 = "[2nd Line]"
strReplace = "This is all new stuff"

Set objFSO = CreateObject("Scripting.FileSystemObject")
Set objFile = objFSO.OpenTextFile("test.txt", forReading)
strFile = objFile.ReadAll
strNewFile = Left(strFile, InStr(1, strFile, strFind1) + Len(strFind1)) &_
+ strReplace + vbCRLF + Mid(strFile, InStr(1, strFile, strFind2) - 1)
WScript.Echo strNewFile
objFile.Close
Set objFile = Nothing
Set objFSO = Nothing

31-May-07 11:37 AM

Thanks JHP!

Works wonders!!!!

Had to use the VBScript reference which Richard mentioned to see what each
bit does

Thanks again

Regards

VJ